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Merge 4.9.167 into android-4.9

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Changes in 4.9.167
	Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt
	Bluetooth: Verify that l2cap_get_conf_opt provides large enough buffer
	video: fbdev: Set pixclock = 0 in goldfishfb
	cfg80211: size various nl80211 messages correctly
	stmmac: copy unicast mac address to MAC registers
	dccp: do not use ipv6 header for ipv4 flow
	mISDN: hfcpci: Test both vendor & device ID for Digium HFC4S
	net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec
	net: rose: fix a possible stack overflow
	packets: Always register packet sk in the same order
	tcp: do not use ipv6 header for ipv4 flow
	vxlan: Don't call gro_cells_destroy() before device is unregistered
	sctp: get sctphdr by offset in sctp_compute_cksum
	mac8390: Fix mmio access size probe
	tun: properly test for IFF_UP
	tun: add a missing rcu_read_unlock() in error path
	btrfs: remove WARN_ON in log_dir_items
	btrfs: raid56: properly unmap parity page in finish_parity_scrub()
	ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
	powerpc: bpf: Fix generation of load/store DW instructions
	NFSv4.1 don't free interrupted slot on open
	net: dsa: qca8k: remove leftover phy accessors
	ALSA: rawmidi: Fix potential Spectre v1 vulnerability
	ALSA: seq: oss: Fix Spectre v1 vulnerability
	ALSA: pcm: Fix possible OOB access in PCM oss plugins
	ALSA: pcm: Don't suspend stream in unrecoverable PCM state
	fs/open.c: allow opening only regular files during execve()
	scsi: sd: Fix a race between closing an sd device and sd I/O
	scsi: sd: Quiesce warning if device does not report optimal I/O size
	scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
	scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP devices
	tty: atmel_serial: fix a potential NULL pointer dereference
	staging: comedi: ni_mio_common: Fix divide-by-zero for DIO cmdtest
	staging: vt6655: Remove vif check from vnt_interrupt
	staging: vt6655: Fix interrupt race condition on device start up.
	serial: max310x: Fix to avoid potential NULL pointer dereference
	serial: sh-sci: Fix setting SCSCR_TIE while transferring data
	USB: serial: cp210x: add new device id
	USB: serial: ftdi_sio: add additional NovaTech products
	USB: serial: mos7720: fix mos_parport refcount imbalance on error path
	USB: serial: option: set driver_info for SIM5218 and compatibles
	USB: serial: option: add Olicard 600
	Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
	fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
	gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
	usb: common: Consider only available nodes for dr_mode
	usb: host: xhci-rcar: Add XHCI_TRUST_TX_LENGTH quirk
	perf intel-pt: Fix TSC slip
	cpu/hotplug: Prevent crash when CPU bringup fails on CONFIG_HOTPLUG_CPU=n
	x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
	KVM: Reject device ioctls from processes other than the VM's creator
	KVM: x86: Emulate MSR_IA32_ARCH_CAPABILITIES on AMD hosts
	USB: gadget: f_hid: fix deadlock in f_hidg_write()
	xhci: Fix port resume done detection for SS ports with LPM enabled
	Revert "USB: core: only clean up what we allocated"
	arm64: support keyctl() system call in 32-bit mode
	Linux 4.9.167

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Greg Kroah-Hartman
2019-04-03 07:29:40 +02:00
parent 5f5c16578d 21834d3e53
commit e1a8babe92
63 changed files with 420 additions and 250 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
Documentation/virtual/kvm/api.txt
View File

@@ -13,7 +13,7 @@ of a virtual machine. The ioctls belong to three classes
- VM ioctls: These query and set attributes that affect an entire virtual
machine, for example memory layout. In addition a VM ioctl is used to
create virtual cpus (vcpus).
create virtual cpus (vcpus) and devices.
Only run VM ioctls from the same process (address space) that was used
to create the VM.
@@ -24,6 +24,11 @@ of a virtual machine. The ioctls belong to three classes
Only run vcpu ioctls from the same thread that was used to create the
vcpu.
- device ioctls: These query and set attributes that control the operation
of a single device.
device ioctls must be issued from the same process (address space) that
was used to create the VM.
2. File descriptors
-------------------
@@ -32,10 +37,11 @@ The kvm API is centered around file descriptors. An initial
open("/dev/kvm") obtains a handle to the kvm subsystem; this handle
can be used to issue system ioctls. A KVM_CREATE_VM ioctl on this
handle will create a VM file descriptor which can be used to issue VM
ioctls. A KVM_CREATE_VCPU ioctl on a VM fd will create a virtual cpu
and return a file descriptor pointing to it. Finally, ioctls on a vcpu
fd can be used to control the vcpu, including the important task of
actually running guest code.
ioctls. A KVM_CREATE_VCPU or KVM_CREATE_DEVICE ioctl on a VM fd will
create a virtual cpu or device and return a file descriptor pointing to
the new resource. Finally, ioctls on a vcpu or device fd can be used
to control the vcpu or device. For vcpus, this includes the important
task of actually running guest code.
In general file descriptors can be migrated among processes by means
of fork() and the SCM_RIGHTS facility of unix domain socket. These

2
Makefile
View File

@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 166
SUBLEVEL = 167
EXTRAVERSION =
NAME = Roaring Lionus

27
arch/arm/mach-imx/cpuidle-imx6q.c
View File

@@ -16,30 +16,23 @@
#include "cpuidle.h"
#include "hardware.h"
static atomic_t master = ATOMIC_INIT(0);
static DEFINE_SPINLOCK(master_lock);
static int num_idle_cpus = 0;
static DEFINE_SPINLOCK(cpuidle_lock);
static int imx6q_enter_wait(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
if (atomic_inc_return(&master) == num_online_cpus()) {
/*
* With this lock, we prevent other cpu to exit and enter
* this function again and become the master.
*/
if (!spin_trylock(&master_lock))
goto idle;
spin_lock(&cpuidle_lock);
if (++num_idle_cpus == num_online_cpus())
imx6_set_lpm(WAIT_UNCLOCKED);
cpu_do_idle();
imx6_set_lpm(WAIT_CLOCKED);
spin_unlock(&master_lock);
goto done;
}
spin_unlock(&cpuidle_lock);
idle:
cpu_do_idle();
done:
atomic_dec(&master);
spin_lock(&cpuidle_lock);
if (num_idle_cpus-- == num_online_cpus())
imx6_set_lpm(WAIT_CLOCKED);
spin_unlock(&cpuidle_lock);
return index;
}

4
arch/arm64/Kconfig
View File

@@ -1142,6 +1142,10 @@ config SYSVIPC_COMPAT
def_bool y
depends on COMPAT && SYSVIPC
config KEYS_COMPAT
def_bool y
depends on COMPAT && KEYS
endmenu
menu "Power management options"

2
arch/powerpc/include/asm/ppc-opcode.h
View File

@@ -225,6 +225,7 @@
/* Misc instructions for BPF compiler */
#define PPC_INST_LBZ 0x88000000
#define PPC_INST_LD 0xe8000000
#define PPC_INST_LDX 0x7c00002a
#define PPC_INST_LHZ 0xa0000000
#define PPC_INST_LWZ 0x80000000
#define PPC_INST_LHBRX 0x7c00062c
@@ -232,6 +233,7 @@
#define PPC_INST_STB 0x98000000
#define PPC_INST_STH 0xb0000000
#define PPC_INST_STD 0xf8000000
#define PPC_INST_STDX 0x7c00012a
#define PPC_INST_STDU 0xf8000001
#define PPC_INST_STW 0x90000000
#define PPC_INST_STWU 0x94000000

17
arch/powerpc/net/bpf_jit.h
View File

@@ -51,6 +51,8 @@
#define PPC_LIS(r, i) PPC_ADDIS(r, 0, i)
#define PPC_STD(r, base, i) EMIT(PPC_INST_STD | ___PPC_RS(r) | \
___PPC_RA(base) | ((i) & 0xfffc))
#define PPC_STDX(r, base, b) EMIT(PPC_INST_STDX | ___PPC_RS(r) | \
___PPC_RA(base) | ___PPC_RB(b))
#define PPC_STDU(r, base, i) EMIT(PPC_INST_STDU | ___PPC_RS(r) | \
___PPC_RA(base) | ((i) & 0xfffc))
#define PPC_STW(r, base, i) EMIT(PPC_INST_STW | ___PPC_RS(r) | \
@@ -65,7 +67,9 @@
#define PPC_LBZ(r, base, i) EMIT(PPC_INST_LBZ | ___PPC_RT(r) | \
___PPC_RA(base) | IMM_L(i))
#define PPC_LD(r, base, i) EMIT(PPC_INST_LD | ___PPC_RT(r) | \
___PPC_RA(base) | IMM_L(i))
___PPC_RA(base) | ((i) & 0xfffc))
#define PPC_LDX(r, base, b) EMIT(PPC_INST_LDX | ___PPC_RT(r) | \
___PPC_RA(base) | ___PPC_RB(b))
#define PPC_LWZ(r, base, i) EMIT(PPC_INST_LWZ | ___PPC_RT(r) | \
___PPC_RA(base) | IMM_L(i))
#define PPC_LHZ(r, base, i) EMIT(PPC_INST_LHZ | ___PPC_RT(r) | \
@@ -85,17 +89,6 @@
___PPC_RA(a) | ___PPC_RB(b))
#define PPC_BPF_STDCX(s, a, b) EMIT(PPC_INST_STDCX | ___PPC_RS(s) | \
___PPC_RA(a) | ___PPC_RB(b))
#ifdef CONFIG_PPC64
#define PPC_BPF_LL(r, base, i) do { PPC_LD(r, base, i); } while(0)
#define PPC_BPF_STL(r, base, i) do { PPC_STD(r, base, i); } while(0)
#define PPC_BPF_STLU(r, base, i) do { PPC_STDU(r, base, i); } while(0)
#else
#define PPC_BPF_LL(r, base, i) do { PPC_LWZ(r, base, i); } while(0)
#define PPC_BPF_STL(r, base, i) do { PPC_STW(r, base, i); } while(0)
#define PPC_BPF_STLU(r, base, i) do { PPC_STWU(r, base, i); } while(0)
#endif
#define PPC_CMPWI(a, i) EMIT(PPC_INST_CMPWI | ___PPC_RA(a) | IMM_L(i))
#define PPC_CMPDI(a, i) EMIT(PPC_INST_CMPDI | ___PPC_RA(a) | IMM_L(i))
#define PPC_CMPW(a, b) EMIT(PPC_INST_CMPW | ___PPC_RA(a) | \

4
arch/powerpc/net/bpf_jit32.h
View File

@@ -122,6 +122,10 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh);
#define PPC_NTOHS_OFFS(r, base, i) PPC_LHZ_OFFS(r, base, i)
#endif
#define PPC_BPF_LL(r, base, i) do { PPC_LWZ(r, base, i); } while(0)
#define PPC_BPF_STL(r, base, i) do { PPC_STW(r, base, i); } while(0)
#define PPC_BPF_STLU(r, base, i) do { PPC_STWU(r, base, i); } while(0)
#define SEEN_DATAREF 0x10000 /* might call external helpers */
#define SEEN_XREG 0x20000 /* X reg is used */
#define SEEN_MEM 0x40000 /* SEEN_MEM+(1<<n) = use mem[n] for temporary

20
arch/powerpc/net/bpf_jit64.h
View File

@@ -86,6 +86,26 @@ DECLARE_LOAD_FUNC(sk_load_byte);
(imm >= SKF_LL_OFF ? func##_negative_offset : func) : \
func##_positive_offset)
/*
* WARNING: These can use TMP_REG_2 if the offset is not at word boundary,
* so ensure that it isn't in use already.
*/
#define PPC_BPF_LL(r, base, i) do { \
if ((i) % 4) { \
PPC_LI(b2p[TMP_REG_2], (i)); \
PPC_LDX(r, base, b2p[TMP_REG_2]); \
} else \
PPC_LD(r, base, i); \
} while(0)
#define PPC_BPF_STL(r, base, i) do { \
if ((i) % 4) { \
PPC_LI(b2p[TMP_REG_2], (i)); \
PPC_STDX(r, base, b2p[TMP_REG_2]); \
} else \
PPC_STD(r, base, i); \
} while(0)
#define PPC_BPF_STLU(r, base, i) do { PPC_STDU(r, base, i); } while(0)
#define SEEN_FUNC 0x1000 /* might call external helpers */
#define SEEN_STACK 0x2000 /* uses BPF stack */
#define SEEN_SKB 0x4000 /* uses sk_buff */

12
arch/powerpc/net/bpf_jit_comp64.c
View File

@@ -265,7 +265,7 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32
* if (tail_call_cnt > MAX_TAIL_CALL_CNT)
* goto out;
*/
PPC_LD(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx));
PPC_BPF_LL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx));
PPC_CMPLWI(b2p[TMP_REG_1], MAX_TAIL_CALL_CNT);
PPC_BCC(COND_GT, out);
@@ -278,7 +278,7 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32
/* prog = array->ptrs[index]; */
PPC_MULI(b2p[TMP_REG_1], b2p_index, 8);
PPC_ADD(b2p[TMP_REG_1], b2p[TMP_REG_1], b2p_bpf_array);
PPC_LD(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_array, ptrs));
PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_array, ptrs));
/*
* if (prog == NULL)
@@ -288,7 +288,7 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32
PPC_BCC(COND_EQ, out);
/* goto *(prog->bpf_func + prologue_size); */
PPC_LD(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_prog, bpf_func));
PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_prog, bpf_func));
#ifdef PPC64_ELF_ABI_v1
/* skip past the function descriptor */
PPC_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1],
@@ -620,7 +620,7 @@ bpf_alu32_trunc:
* the instructions generated will remain the
* same across all passes
*/
PPC_STD(dst_reg, 1, bpf_jit_stack_local(ctx));
PPC_BPF_STL(dst_reg, 1, bpf_jit_stack_local(ctx));
PPC_ADDI(b2p[TMP_REG_1], 1, bpf_jit_stack_local(ctx));
PPC_LDBRX(dst_reg, 0, b2p[TMP_REG_1]);
break;
@@ -676,7 +676,7 @@ emit_clear:
PPC_LI32(b2p[TMP_REG_1], imm);
src_reg = b2p[TMP_REG_1];
}
PPC_STD(src_reg, dst_reg, off);
PPC_BPF_STL(src_reg, dst_reg, off);
break;
/*
@@ -723,7 +723,7 @@ emit_clear:
break;
/* dst = *(u64 *)(ul) (src + off) */
case BPF_LDX | BPF_MEM | BPF_DW:
PPC_LD(dst_reg, src_reg, off);
PPC_BPF_LL(dst_reg, src_reg, off);
break;
/*

8
arch/x86/Kconfig
View File

@@ -2051,14 +2051,8 @@ config RANDOMIZE_MEMORY_PHYSICAL_PADDING
If unsure, leave at the default value.
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
def_bool y
depends on SMP
---help---
Say Y here to allow turning CPUs off and on. CPUs can be
controlled through /sys/devices/system/cpu.
( Note: power management support will enable this option
automatically on SMP systems. )
Say N if you want to disable CPU hotplug.
config BOOTPARAM_HOTPLUG_CPU0
bool "Set default setting of cpu0_hotpluggable"

1
arch/x86/include/asm/kvm_host.h
View File

@@ -487,6 +487,7 @@ struct kvm_vcpu_arch {
bool tpr_access_reporting;
u64 ia32_xss;
u64 microcode_version;
u64 arch_capabilities;
/*
* Paging state of the vcpu

14
arch/x86/kvm/vmx.c
View File

@@ -714,7 +714,6 @@ struct vcpu_vmx {
u64 msr_guest_kernel_gs_base;
#endif
u64 arch_capabilities;
u64 spec_ctrl;
u32 vm_entry_controls_shadow;
@@ -3209,12 +3208,6 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
msr_info->data = to_vmx(vcpu)->spec_ctrl;
break;
case MSR_IA32_ARCH_CAPABILITIES:
if (!msr_info->host_initiated &&
!guest_cpuid_has_arch_capabilities(vcpu))
return 1;
msr_info->data = to_vmx(vcpu)->arch_capabilities;
break;
case MSR_IA32_SYSENTER_CS:
msr_info->data = vmcs_read32(GUEST_SYSENTER_CS);
break;
@@ -3376,11 +3369,6 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
vmx_disable_intercept_for_msr(vmx->vmcs01.msr_bitmap, MSR_IA32_PRED_CMD,
MSR_TYPE_W);
break;
case MSR_IA32_ARCH_CAPABILITIES:
if (!msr_info->host_initiated)
return 1;
vmx->arch_capabilities = data;
break;
case MSR_IA32_CR_PAT:
if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) {
if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data))
@@ -5468,8 +5456,6 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
++vmx->nmsrs;
}
vmx->arch_capabilities = kvm_get_arch_capabilities();
vm_exit_controls_init(vmx, vmcs_config.vmexit_ctrl);
/* 22.2.1, 20.8.1 */

12
arch/x86/kvm/x86.c
View File

@@ -2197,6 +2197,11 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
if (msr_info->host_initiated)
vcpu->arch.microcode_version = data;
break;
case MSR_IA32_ARCH_CAPABILITIES:
if (!msr_info->host_initiated)
return 1;
vcpu->arch.arch_capabilities = data;
break;
case MSR_EFER:
return set_efer(vcpu, data);
case MSR_K7_HWCR:
@@ -2473,6 +2478,12 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
case MSR_IA32_UCODE_REV:
msr_info->data = vcpu->arch.microcode_version;
break;
case MSR_IA32_ARCH_CAPABILITIES:
if (!msr_info->host_initiated &&
!guest_cpuid_has_arch_capabilities(vcpu))
return 1;
msr_info->data = vcpu->arch.arch_capabilities;
break;
case MSR_MTRRcap:
case 0x200 ... 0x2ff:
return kvm_mtrr_get_msr(vcpu, msr_info->index, &msr_info->data);
@@ -7672,6 +7683,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
{
int r;
vcpu->arch.arch_capabilities = kvm_get_arch_capabilities();
kvm_vcpu_mtrr_init(vcpu);
r = vcpu_load(vcpu);
if (r)

6
drivers/gpio/gpio-adnp.c
View File

@@ -132,8 +132,10 @@ static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
if (err < 0)
goto out;
if (err & BIT(pos))
err = -EACCES;
if (value & BIT(pos)) {
err = -EPERM;
goto out;
}
err = 0;

3
drivers/isdn/hardware/mISDN/hfcmulti.c
View File

@@ -4370,7 +4370,8 @@ setup_pci(struct hfc_multi *hc, struct pci_dev *pdev,
if (m->clock2)
test_and_set_bit(HFC_CHIP_CLOCK2, &hc->chip);
if (ent->device == 0xB410) {
if (ent->vendor == PCI_VENDOR_ID_DIGIUM &&
ent->device == PCI_DEVICE_ID_DIGIUM_HFC4S) {
test_and_set_bit(HFC_CHIP_B410P, &hc->chip);
test_and_set_bit(HFC_CHIP_PCM_MASTER, &hc->chip);
test_and_clear_bit(HFC_CHIP_PCM_SLAVE, &hc->chip);

18
drivers/net/dsa/qca8k.c
View File

@@ -630,22 +630,6 @@ qca8k_adjust_link(struct dsa_switch *ds, int port, struct phy_device *phy)
qca8k_port_set_status(priv, port, 1);
}
static int
qca8k_phy_read(struct dsa_switch *ds, int phy, int regnum)
{
struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
return mdiobus_read(priv->bus, phy, regnum);
}
static int
qca8k_phy_write(struct dsa_switch *ds, int phy, int regnum, u16 val)
{
struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
return mdiobus_write(priv->bus, phy, regnum, val);
}
static void
qca8k_get_strings(struct dsa_switch *ds, int port, uint8_t *data)
{
@@ -961,8 +945,6 @@ static struct dsa_switch_ops qca8k_switch_ops = {
.setup = qca8k_setup,
.adjust_link = qca8k_adjust_link,
.get_strings = qca8k_get_strings,
.phy_read = qca8k_phy_read,
.phy_write = qca8k_phy_write,
.get_ethtool_stats = qca8k_get_ethtool_stats,
.get_sset_count = qca8k_get_sset_count,
.get_eee = qca8k_get_eee,

19
drivers/net/ethernet/8390/mac8390.c
View File

@@ -156,8 +156,6 @@ static void dayna_block_output(struct net_device *dev, int count,
#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
#define memcmp_withio(a, b, c) memcmp((a), (void *)(b), (c))
/* Slow Sane (16-bit chunk memory read/write) Cabletron uses this */
static void slow_sane_get_8390_hdr(struct net_device *dev,
struct e8390_pkt_hdr *hdr, int ring_page);
@@ -237,19 +235,26 @@ static enum mac8390_type __init mac8390_ident(struct nubus_dev *dev)
static enum mac8390_access __init mac8390_testio(volatile unsigned long membase)
{
unsigned long outdata = 0xA5A0B5B0;
unsigned long indata = 0x00000000;
u32 outdata = 0xA5A0B5B0;
u32 indata = 0;
/* Try writing 32 bits */
memcpy_toio(membase, &outdata, 4);
/* Now compare them */
if (memcmp_withio(&outdata, membase, 4) == 0)
nubus_writel(outdata, membase);
/* Now read it back */
indata = nubus_readl(membase);
if (outdata == indata)
return ACCESS_32;
outdata = 0xC5C0D5D0;
indata = 0;
/* Write 16 bit output */
word_memcpy_tocard(membase, &outdata, 4);
/* Now read it back */
word_memcpy_fromcard(&indata, membase, 4);
if (outdata == indata)
return ACCESS_16;
return ACCESS_UNKNOWN;
}

16
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@@ -2931,6 +2931,20 @@ static int stmmac_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return ret;
}
static int stmmac_set_mac_address(struct net_device *ndev, void *addr)
{
struct stmmac_priv *priv = netdev_priv(ndev);
int ret = 0;
ret = eth_mac_addr(ndev, addr);
if (ret)
return ret;
priv->hw->mac->set_umac_addr(priv->hw, ndev->dev_addr, 0);
return ret;
}
#ifdef CONFIG_DEBUG_FS
static struct dentry *stmmac_fs_dir;
@@ -3137,7 +3151,7 @@ static const struct net_device_ops stmmac_netdev_ops = {
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = stmmac_poll_controller,
#endif
.ndo_set_mac_address = eth_mac_addr,
.ndo_set_mac_address = stmmac_set_mac_address,
};
/**

16
drivers/net/tun.c
View File

@@ -1194,9 +1194,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
u32 rxhash;
ssize_t n;
if (!(tun->dev->flags & IFF_UP))
return -EIO;
if (!(tun->flags & IFF_NO_PI)) {
if (len < sizeof(pi))
return -EINVAL;
@@ -1273,9 +1270,11 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
err = skb_copy_datagram_from_iter(skb, 0, from, len);
if (err) {
err = -EFAULT;
drop:
this_cpu_inc(tun->pcpu_stats->rx_dropped);
kfree_skb(skb);
return -EFAULT;
return err;
}
err = virtio_net_hdr_to_skb(skb, &gso, tun_is_little_endian(tun));
@@ -1327,7 +1326,16 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
skb_probe_transport_header(skb, 0);
rxhash = skb_get_hash(skb);
rcu_read_lock();
if (unlikely(!(tun->dev->flags & IFF_UP))) {
err = -EIO;
rcu_read_unlock();
goto drop;
}
netif_rx_ni(skb);
rcu_read_unlock();
stats = get_cpu_ptr(tun->pcpu_stats);
u64_stats_update_begin(&stats->syncp);

4
drivers/net/vxlan.c
View File

@@ -3375,10 +3375,8 @@ static void __net_exit vxlan_exit_net(struct net *net)
/* If vxlan->dev is in the same netns, it has already been added
* to the list by the previous loop.
*/
if (!net_eq(dev_net(vxlan->dev), net)) {
gro_cells_destroy(&vxlan->gro_cells);
if (!net_eq(dev_net(vxlan->dev), net))
unregister_netdevice_queue(vxlan->dev, &list);
}
}
unregister_netdevice_many(&list);

17
drivers/s390/scsi/zfcp_erp.c
View File

@@ -652,6 +652,20 @@ static void zfcp_erp_strategy_memwait(struct zfcp_erp_action *erp_action)
add_timer(&erp_action->timer);
}
void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
int clear, char *dbftag)
{
unsigned long flags;
struct zfcp_port *port;
write_lock_irqsave(&adapter->erp_lock, flags);
read_lock(&adapter->port_list_lock);
list_for_each_entry(port, &adapter->port_list, list)
_zfcp_erp_port_forced_reopen(port, clear, dbftag);
read_unlock(&adapter->port_list_lock);
write_unlock_irqrestore(&adapter->erp_lock, flags);
}
static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,
int clear, char *id)
{
@@ -1306,6 +1320,9 @@ static void zfcp_erp_try_rport_unblock(struct zfcp_port *port)
struct zfcp_scsi_dev *zsdev = sdev_to_zfcp(sdev);
int lun_status;
if (sdev->sdev_state == SDEV_DEL ||
sdev->sdev_state == SDEV_CANCEL)
continue;
if (zsdev->port != port)
continue;
/* LUN under port of interest */

2
drivers/s390/scsi/zfcp_ext.h
View File

@@ -68,6 +68,8 @@ extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
extern int zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
extern void zfcp_erp_port_forced_reopen_all(struct zfcp_adapter *adapter,
int clear, char *dbftag);
extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);

4
drivers/s390/scsi/zfcp_scsi.c
View File

@@ -326,6 +326,10 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
int ret = SUCCESS, fc_ret;
if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) {
zfcp_erp_port_forced_reopen_all(adapter, 0, "schrh_p");
zfcp_erp_wait(adapter);
}
zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
zfcp_erp_wait(adapter);
fc_ret = fc_block_scsi_eh(scpnt);

22
drivers/scsi/sd.c
View File

@@ -1284,11 +1284,6 @@ static void sd_release(struct gendisk *disk, fmode_t mode)
scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW);
}
/*
* XXX and what if there are packets in flight and this close()
* XXX is followed by a "rmmod sd_mod"?
*/
scsi_disk_put(sdkp);
}
@@ -2846,6 +2841,9 @@ static bool sd_validate_opt_xfer_size(struct scsi_disk *sdkp,
unsigned int opt_xfer_bytes =
logical_to_bytes(sdp, sdkp->opt_xfer_blocks);
if (sdkp->opt_xfer_blocks == 0)
return false;
if (sdkp->opt_xfer_blocks > dev_max) {
sd_first_printk(KERN_WARNING, sdkp,
"Optimal transfer size %u logical blocks " \
@@ -3257,11 +3255,23 @@ static void scsi_disk_release(struct device *dev)
{
struct scsi_disk *sdkp = to_scsi_disk(dev);
struct gendisk *disk = sdkp->disk;
struct request_queue *q = disk->queue;
spin_lock(&sd_index_lock);
ida_remove(&sd_index_ida, sdkp->index);
spin_unlock(&sd_index_lock);
/*
* Wait until all requests that are in progress have completed.
* This is necessary to avoid that e.g. scsi_end_request() crashes
* due to clearing the disk->private_data pointer. Wait from inside
* scsi_disk_release() instead of from sd_release() to avoid that
* freezing and unfreezing the request queue affects user space I/O
* in case multiple processes open a /dev/sd... node concurrently.
*/
blk_mq_freeze_queue(q);
blk_mq_unfreeze_queue(q);
disk->private_data = NULL;
put_disk(disk);
put_device(&sdkp->device->sdev_gendev);

2
drivers/staging/comedi/comedidev.h
View File

@@ -984,6 +984,8 @@ int comedi_dio_insn_config(struct comedi_device *, struct comedi_subdevice *,
unsigned int mask);
unsigned int comedi_dio_update_state(struct comedi_subdevice *,
unsigned int *data);
unsigned int comedi_bytes_per_scan_cmd(struct comedi_subdevice *s,
struct comedi_cmd *cmd);
unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s);
unsigned int comedi_nscans_left(struct comedi_subdevice *s,
unsigned int nscans);

33
drivers/staging/comedi/drivers.c
View File

@@ -390,11 +390,13 @@ unsigned int comedi_dio_update_state(struct comedi_subdevice *s,
EXPORT_SYMBOL_GPL(comedi_dio_update_state);
/**
* comedi_bytes_per_scan() - Get length of asynchronous command "scan" in bytes
* comedi_bytes_per_scan_cmd() - Get length of asynchronous command "scan" in
* bytes
* @s: COMEDI subdevice.
* @cmd: COMEDI command.
*
* Determines the overall scan length according to the subdevice type and the
* number of channels in the scan.
* number of channels in the scan for the specified command.
*
* For digital input, output or input/output subdevices, samples for
* multiple channels are assumed to be packed into one or more unsigned
@@ -404,9 +406,9 @@ EXPORT_SYMBOL_GPL(comedi_dio_update_state);
*
* Returns the overall scan length in bytes.
*/
unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s)
unsigned int comedi_bytes_per_scan_cmd(struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
struct comedi_cmd *cmd = &s->async->cmd;
unsigned int num_samples;
unsigned int bits_per_sample;
@@ -423,6 +425,29 @@ unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s)
}
return comedi_samples_to_bytes(s, num_samples);
}
EXPORT_SYMBOL_GPL(comedi_bytes_per_scan_cmd);
/**
* comedi_bytes_per_scan() - Get length of asynchronous command "scan" in bytes
* @s: COMEDI subdevice.
*
* Determines the overall scan length according to the subdevice type and the
* number of channels in the scan for the current command.
*
* For digital input, output or input/output subdevices, samples for
* multiple channels are assumed to be packed into one or more unsigned
* short or unsigned int values according to the subdevice's %SDF_LSAMPL
* flag. For other types of subdevice, samples are assumed to occupy a
* whole unsigned short or unsigned int according to the %SDF_LSAMPL flag.
*
* Returns the overall scan length in bytes.
*/
unsigned int comedi_bytes_per_scan(struct comedi_subdevice *s)
{
struct comedi_cmd *cmd = &s->async->cmd;
return comedi_bytes_per_scan_cmd(s, cmd);
}
EXPORT_SYMBOL_GPL(comedi_bytes_per_scan);
static unsigned int __comedi_nscans_left(struct comedi_subdevice *s,

10
drivers/staging/comedi/drivers/ni_mio_common.c
View File

@@ -3477,6 +3477,7 @@ static int ni_cdio_check_chanlist(struct comedi_device *dev,
static int ni_cdio_cmdtest(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_cmd *cmd)
{
unsigned int bytes_per_scan;
int err = 0;
int tmp;
@@ -3506,9 +3507,12 @@ static int ni_cdio_cmdtest(struct comedi_device *dev,
err |= comedi_check_trigger_arg_is(&cmd->convert_arg, 0);
err |= comedi_check_trigger_arg_is(&cmd->scan_end_arg,
cmd->chanlist_len);
err |= comedi_check_trigger_arg_max(&cmd->stop_arg,
s->async->prealloc_bufsz /
comedi_bytes_per_scan(s));
bytes_per_scan = comedi_bytes_per_scan_cmd(s, cmd);
if (bytes_per_scan) {
err |= comedi_check_trigger_arg_max(&cmd->stop_arg,
s->async->prealloc_bufsz /
bytes_per_scan);
}
if (err)
return 3;

11
drivers/staging/vt6655/device_main.c
View File

@@ -977,8 +977,6 @@ static void vnt_interrupt_process(struct vnt_private *priv)
return;
}
MACvIntDisable(priv->PortOffset);
spin_lock_irqsave(&priv->lock, flags);
/* Read low level stats */
@@ -1067,8 +1065,6 @@ static void vnt_interrupt_process(struct vnt_private *priv)
}
spin_unlock_irqrestore(&priv->lock, flags);
MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
}
static void vnt_interrupt_work(struct work_struct *work)
@@ -1078,14 +1074,17 @@ static void vnt_interrupt_work(struct work_struct *work)
if (priv->vif)
vnt_interrupt_process(priv);
MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
}
static irqreturn_t vnt_interrupt(int irq, void *arg)
{
struct vnt_private *priv = arg;
if (priv->vif)
schedule_work(&priv->interrupt_work);
schedule_work(&priv->interrupt_work);
MACvIntDisable(priv->PortOffset);
return IRQ_HANDLED;
}

4
drivers/tty/serial/atmel_serial.c
View File

@@ -1166,6 +1166,10 @@ static int atmel_prepare_rx_dma(struct uart_port *port)
sg_dma_len(&atmel_port->sg_rx)/2,
DMA_DEV_TO_MEM,
DMA_PREP_INTERRUPT);
if (!desc) {
dev_err(port->dev, "Preparing DMA cyclic failed\n");
goto chan_err;
}
desc->callback = atmel_complete_rx_dma;
desc->callback_param = port;
atmel_port->desc_rx = desc;

4
drivers/tty/serial/kgdboc.c
View File

@@ -148,8 +148,10 @@ static int configure_kgdboc(void)
char *cptr = config;
struct console *cons;
if (!strlen(config) || isspace(config[0]))
if (!strlen(config) || isspace(config[0])) {
err = 0;
goto noconfig;
}
kgdboc_io_ops.is_console = 0;
kgdb_tty_driver = NULL;

2
drivers/tty/serial/max310x.c
View File

@@ -1323,6 +1323,8 @@ static int max310x_spi_probe(struct spi_device *spi)
if (spi->dev.of_node) {
const struct of_device_id *of_id =
of_match_device(max310x_dt_ids, &spi->dev);
if (!of_id)
return -ENODEV;
devtype = (struct max310x_devtype *)of_id->data;
} else {

12
drivers/tty/serial/sh-sci.c
View File

@@ -834,19 +834,9 @@ static void sci_transmit_chars(struct uart_port *port)
if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
uart_write_wakeup(port);
if (uart_circ_empty(xmit)) {
if (uart_circ_empty(xmit))
sci_stop_tx(port);
} else {
ctrl = serial_port_in(port, SCSCR);
if (port->type != PORT_SCI) {
serial_port_in(port, SCxSR); /* Dummy read */
sci_clear_SCxSR(port, SCxSR_TDxE_CLEAR(port));
}
ctrl |= SCSCR_TIE;
serial_port_out(port, SCSCR, ctrl);
}
}
/* On SH3, SCIF may read end-of-break as a space->mark char */

2
drivers/usb/common/common.c
View File

@@ -148,6 +148,8 @@ enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *np, int arg0)
do {
controller = of_find_node_with_property(controller, "phys");
if (!of_device_is_available(controller))
continue;
index = 0;
do {
if (arg0 == -1) {

9
drivers/usb/core/config.c
View File

@@ -763,21 +763,18 @@ void usb_destroy_configuration(struct usb_device *dev)
return;
if (dev->rawdescriptors) {
for (i = 0; i < dev->descriptor.bNumConfigurations &&
i < USB_MAXCONFIG; i++)
for (i = 0; i < dev->descriptor.bNumConfigurations; i++)
kfree(dev->rawdescriptors[i]);
kfree(dev->rawdescriptors);
dev->rawdescriptors = NULL;
}
for (c = 0; c < dev->descriptor.bNumConfigurations &&
c < USB_MAXCONFIG; c++) {
for (c = 0; c < dev->descriptor.bNumConfigurations; c++) {
struct usb_host_config *cf = &dev->config[c];
kfree(cf->string);
for (i = 0; i < cf->desc.bNumInterfaces &&
i < USB_MAXINTERFACES; i++) {
for (i = 0; i < cf->desc.bNumInterfaces; i++) {
if (cf->intf_cache[i])
kref_put(&cf->intf_cache[i]->ref,
usb_release_interface_cache);

6
drivers/usb/gadget/function/f_hid.c
View File

@@ -340,20 +340,20 @@ try_again:
req->complete = f_hidg_req_complete;
req->context = hidg;
spin_unlock_irqrestore(&hidg->write_spinlock, flags);
status = usb_ep_queue(hidg->in_ep, hidg->req, GFP_ATOMIC);
if (status < 0) {
ERROR(hidg->func.config->cdev,
"usb_ep_queue error on int endpoint %zd\n", status);
goto release_write_pending_unlocked;
goto release_write_pending;
} else {
status = count;
}
spin_unlock_irqrestore(&hidg->write_spinlock, flags);
return status;
release_write_pending:
spin_lock_irqsave(&hidg->write_spinlock, flags);
release_write_pending_unlocked:
hidg->write_pending = 0;
spin_unlock_irqrestore(&hidg->write_spinlock, flags);

1
drivers/usb/host/xhci-rcar.c
View File

@@ -192,5 +192,6 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd)
xhci_rcar_is_gen3(hcd->self.controller))
xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
return xhci_rcar_download_firmware(hcd);
}

9
drivers/usb/host/xhci-ring.c
View File

@@ -1645,10 +1645,13 @@ static void handle_port_status(struct xhci_hcd *xhci,
}
}
if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_U0 &&
DEV_SUPERSPEED_ANY(temp)) {
if ((temp & PORT_PLC) &&
DEV_SUPERSPEED_ANY(temp) &&
((temp & PORT_PLS_MASK) == XDEV_U0 ||
(temp & PORT_PLS_MASK) == XDEV_U1 ||
(temp & PORT_PLS_MASK) == XDEV_U2)) {
xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
/* We've just brought the device into U0 through either the
/* We've just brought the device into U0/1/2 through either the
* Resume state after a device remote wakeup, or through the
* U3Exit state after a host-initiated resume. If it's a device
* initiated remote wake, don't pass up the link state change,

1
drivers/usb/host/xhci.h
View File

@@ -311,6 +311,7 @@ struct xhci_op_regs {
*/
#define PORT_PLS_MASK (0xf << 5)
#define XDEV_U0 (0x0 << 5)
#define XDEV_U1 (0x1 << 5)
#define XDEV_U2 (0x2 << 5)
#define XDEV_U3 (0x3 << 5)
#define XDEV_INACTIVE (0x6 << 5)

1
drivers/usb/serial/cp210x.c
View File

@@ -77,6 +77,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */
{ USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */
{ USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */
{ USB_DEVICE(0x10C4, 0x8056) }, /* Lorenz Messtechnik devices */
{ USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */
{ USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */
{ USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */

2
drivers/usb/serial/ftdi_sio.c
View File

@@ -604,6 +604,8 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) },
{ USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) },

4
drivers/usb/serial/ftdi_sio_ids.h
View File

@@ -566,7 +566,9 @@
/*
* NovaTech product ids (FTDI_VID)
*/
#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */
#define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */
#define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */
/*
* Synapse Wireless product ids (FTDI_VID)

4
drivers/usb/serial/mos7720.c
View File

@@ -368,8 +368,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
if (!urbtrack)
return -ENOMEM;
kref_get(&mos_parport->ref_count);
urbtrack->mos_parport = mos_parport;
urbtrack->urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urbtrack->urb) {
kfree(urbtrack);
@@ -390,6 +388,8 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
usb_sndctrlpipe(usbdev, 0),
(unsigned char *)urbtrack->setup,
NULL, 0, async_complete, urbtrack);
kref_get(&mos_parport->ref_count);
urbtrack->mos_parport = mos_parport;
kref_init(&urbtrack->ref_count);
INIT_LIST_HEAD(&urbtrack->urblist_entry);

13
drivers/usb/serial/option.c
View File

@@ -1066,7 +1066,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */
.driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) },
/* Quectel products using Qualcomm vendor ID */
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)},
{ USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20),
@@ -1941,10 +1942,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */
.driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */
{ USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) },
{ USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },

3
fs/btrfs/raid56.c
View File

@@ -2395,8 +2395,9 @@ static noinline void finish_parity_scrub(struct btrfs_raid_bio *rbio,
bitmap_clear(rbio->dbitmap, pagenr, 1);
kunmap(p);
for (stripe = 0; stripe < rbio->real_stripes; stripe++)
for (stripe = 0; stripe < nr_data; stripe++)
kunmap(page_in_rbio(rbio, stripe, pagenr, 0));
kunmap(p_page);
}
__free_page(p_page);

11
fs/btrfs/tree-log.c
View File

@@ -3343,9 +3343,16 @@ static noinline int log_dir_items(struct btrfs_trans_handle *trans,
}
btrfs_release_path(path);
/* find the first key from this transaction again */
/*
* Find the first key from this transaction again. See the note for
* log_new_dir_dentries, if we're logging a directory recursively we
* won't be holding its i_mutex, which means we can modify the directory
* while we're logging it. If we remove an entry between our first
* search and this search we'll not find the key again and can just
* bail.
*/
ret = btrfs_search_slot(NULL, root, &min_key, path, 0, 0);
if (WARN_ON(ret != 0))
if (ret != 0)
goto done;
/*

3
fs/nfs/nfs4proc.c
View File

@@ -2748,7 +2748,8 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
nfs4_schedule_stateid_recovery(server, state);
}
out:
nfs4_sequence_free_slot(&opendata->o_res.seq_res);
if (!opendata->cancelled)
nfs4_sequence_free_slot(&opendata->o_res.seq_res);
return ret;
}

6
fs/open.c
View File

@@ -730,6 +730,12 @@ static int do_dentry_open(struct file *f,
return 0;
}
/* Any file opened for execve()/uselib() has to be a regular file. */
if (unlikely(f->f_flags & FMODE_EXEC && !S_ISREG(inode->i_mode))) {
error = -EACCES;
goto cleanup_file;
}
if (f->f_mode & FMODE_WRITE && !special_file(inode->i_mode)) {
error = get_write_access(inode);
if (unlikely(error))

3
fs/proc/proc_sysctl.c
View File

@@ -1604,7 +1604,8 @@ static void drop_sysctl_table(struct ctl_table_header *header)
if (--header->nreg)
return;
put_links(header);
if (parent)
put_links(header);
start_unregistering(header);
if (!--header->count)
kfree_rcu(header, rcu);

2
include/net/sctp/checksum.h
View File

@@ -60,7 +60,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2,
static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
unsigned int offset)
{
struct sctphdr *sh = sctp_hdr(skb);
struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
__le32 ret, old = sh->checksum;
const struct skb_checksum_ops ops = {
.update = sctp_csum_update,

6
include/net/sock.h
View File

@@ -651,6 +651,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
hlist_add_head_rcu(&sk->sk_node, list);
}
static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list)
{
sock_hold(sk);
hlist_add_tail_rcu(&sk->sk_node, list);
}
static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);

20
kernel/cpu.c
View File

@@ -591,6 +591,20 @@ static void undo_cpu_up(unsigned int cpu, struct cpuhp_cpu_state *st)
}
}
static inline bool can_rollback_cpu(struct cpuhp_cpu_state *st)
{
if (IS_ENABLED(CONFIG_HOTPLUG_CPU))
return true;
/*
* When CPU hotplug is disabled, then taking the CPU down is not
* possible because takedown_cpu() and the architecture and
* subsystem specific mechanisms are not available. So the CPU
* which would be completely unplugged again needs to stay around
* in the current state.
*/
return st->state <= CPUHP_BRINGUP_CPU;
}
static int cpuhp_up_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st,
enum cpuhp_state target)
{
@@ -601,8 +615,10 @@ static int cpuhp_up_callbacks(unsigned int cpu, struct cpuhp_cpu_state *st,
st->state++;
ret = cpuhp_invoke_callback(cpu, st->state, true, NULL);
if (ret) {
st->target = prev_state;
undo_cpu_up(cpu, st);
if (can_rollback_cpu(st)) {
st->target = prev_state;
undo_cpu_up(cpu, st);
}
break;
}
}

83
net/bluetooth/l2cap_core.c
View File

@@ -3326,16 +3326,22 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
if (len < 0)
break;
hint = type & L2CAP_CONF_HINT;
type &= L2CAP_CONF_MASK;
switch (type) {
case L2CAP_CONF_MTU:
if (olen != 2)
break;
mtu = val;
break;
case L2CAP_CONF_FLUSH_TO:
if (olen != 2)
break;
chan->flush_to = val;
break;
@@ -3343,26 +3349,30 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
break;
case L2CAP_CONF_RFC:
if (olen == sizeof(rfc))
memcpy(&rfc, (void *) val, olen);
if (olen != sizeof(rfc))
break;
memcpy(&rfc, (void *) val, olen);
break;
case L2CAP_CONF_FCS:
if (olen != 1)
break;
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS, &chan->conf_state);
break;
case L2CAP_CONF_EFS:
if (olen == sizeof(efs)) {
remote_efs = 1;
memcpy(&efs, (void *) val, olen);
}
if (olen != sizeof(efs))
break;
remote_efs = 1;
memcpy(&efs, (void *) val, olen);
break;
case L2CAP_CONF_EWS:
if (olen != 2)
break;
if (!(chan->conn->local_fixed_chan & L2CAP_FC_A2MP))
return -ECONNREFUSED;
set_bit(FLAG_EXT_CTRL, &chan->flags);
set_bit(CONF_EWS_RECV, &chan->conf_state);
chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
@@ -3372,7 +3382,6 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
default:
if (hint)
break;
result = L2CAP_CONF_UNKNOWN;
*((u8 *) ptr++) = type;
break;
@@ -3537,58 +3546,65 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len,
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
if (len < 0)
break;
switch (type) {
case L2CAP_CONF_MTU:
if (olen != 2)
break;
if (val < L2CAP_DEFAULT_MIN_MTU) {
*result = L2CAP_CONF_UNACCEPT;
chan->imtu = L2CAP_DEFAULT_MIN_MTU;
} else
chan->imtu = val;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu, endptr - ptr);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->imtu,
endptr - ptr);
break;
case L2CAP_CONF_FLUSH_TO:
if (olen != 2)
break;
chan->flush_to = val;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO,
2, chan->flush_to, endptr - ptr);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, 2,
chan->flush_to, endptr - ptr);
break;
case L2CAP_CONF_RFC:
if (olen == sizeof(rfc))
memcpy(&rfc, (void *)val, olen);
if (olen != sizeof(rfc))
break;
memcpy(&rfc, (void *)val, olen);
if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) &&
rfc.mode != chan->mode)
return -ECONNREFUSED;
chan->fcs = 0;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
sizeof(rfc), (unsigned long) &rfc, endptr - ptr);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
(unsigned long) &rfc, endptr - ptr);
break;
case L2CAP_CONF_EWS:
if (olen != 2)
break;
chan->ack_win = min_t(u16, val, chan->ack_win);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2,
chan->tx_win, endptr - ptr);
break;
case L2CAP_CONF_EFS:
if (olen == sizeof(efs)) {
memcpy(&efs, (void *)val, olen);
if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != chan->local_stype)
return -ECONNREFUSED;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
(unsigned long) &efs, endptr - ptr);
}
if (olen != sizeof(efs))
break;
memcpy(&efs, (void *)val, olen);
if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != L2CAP_SERV_NOTRAFIC &&
efs.stype != chan->local_stype)
return -ECONNREFUSED;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs),
(unsigned long) &efs, endptr - ptr);
break;
case L2CAP_CONF_FCS:
if (olen != 1)
break;
if (*result == L2CAP_CONF_PENDING)
if (val == L2CAP_FCS_NONE)
set_bit(CONF_RECV_NO_FCS,
@@ -3717,13 +3733,18 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val);
if (len < 0)
break;
switch (type) {
case L2CAP_CONF_RFC:
if (olen == sizeof(rfc))
memcpy(&rfc, (void *)val, olen);
if (olen != sizeof(rfc))
break;
memcpy(&rfc, (void *)val, olen);
break;
case L2CAP_CONF_EWS:
if (olen != 2)
break;
txwin_ext = val;
break;
}

4
net/dccp/ipv6.c
View File

@@ -431,8 +431,8 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
newnp->mcast_oif = inet6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
newnp->mcast_oif = inet_iif(skb);
newnp->mcast_hops = ip_hdr(skb)->ttl;
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count

8
net/ipv6/tcp_ipv6.c
View File

@@ -1062,11 +1062,11 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
newnp->opt = NULL;
newnp->mcast_oif = tcp_v6_iif(skb);
newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
newnp->mcast_oif = inet_iif(skb);
newnp->mcast_hops = ip_hdr(skb)->ttl;
newnp->rcv_flowinfo = 0;
if (np->repflow)
newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb));
newnp->flow_label = 0;
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count

4
net/packet/af_packet.c
View File

@@ -3278,7 +3278,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol,
}
mutex_lock(&net->packet.sklist_lock);
sk_add_node_rcu(sk, &net->packet.sklist);
sk_add_node_tail_rcu(sk, &net->packet.sklist);
mutex_unlock(&net->packet.sklist_lock);
preempt_disable();
@@ -4229,7 +4229,7 @@ static struct pgv *alloc_pg_vec(struct tpacket_req *req, int order)
struct pgv *pg_vec;
int i;
pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL);
pg_vec = kcalloc(block_nr, sizeof(struct pgv), GFP_KERNEL | __GFP_NOWARN);
if (unlikely(!pg_vec))
goto out;

21
net/rose/rose_subr.c
View File

@@ -105,16 +105,17 @@ void rose_write_internal(struct sock *sk, int frametype)
struct sk_buff *skb;
unsigned char *dptr;
unsigned char lci1, lci2;
char buffer[100];
int len, faclen = 0;
int maxfaclen = 0;
int len, faclen;
int reserve;
len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1;
reserve = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1;
len = ROSE_MIN_LEN;
switch (frametype) {
case ROSE_CALL_REQUEST:
len += 1 + ROSE_ADDR_LEN + ROSE_ADDR_LEN;
faclen = rose_create_facilities(buffer, rose);
len += faclen;
maxfaclen = 256;
break;
case ROSE_CALL_ACCEPTED:
case ROSE_CLEAR_REQUEST:
@@ -123,15 +124,16 @@ void rose_write_internal(struct sock *sk, int frametype)
break;
}
if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
skb = alloc_skb(reserve + len + maxfaclen, GFP_ATOMIC);
if (!skb)
return;
/*
* Space for AX.25 header and PID.
*/
skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1);
skb_reserve(skb, reserve);
dptr = skb_put(skb, skb_tailroom(skb));
dptr = skb_put(skb, len);
lci1 = (rose->lci >> 8) & 0x0F;
lci2 = (rose->lci >> 0) & 0xFF;
@@ -146,7 +148,8 @@ void rose_write_internal(struct sock *sk, int frametype)
dptr += ROSE_ADDR_LEN;
memcpy(dptr, &rose->source_addr, ROSE_ADDR_LEN);
dptr += ROSE_ADDR_LEN;
memcpy(dptr, buffer, faclen);
faclen = rose_create_facilities(dptr, rose);
skb_put(skb, faclen);
dptr += faclen;
break;

16
net/wireless/nl80211.c
View File

@@ -12942,7 +12942,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
@@ -13094,7 +13094,7 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp);
if (!msg)
return;
@@ -13136,7 +13136,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + req_ie_len + resp_ie_len, gfp);
if (!msg)
return;
@@ -13173,7 +13173,7 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
msg = nlmsg_new(100 + ie_len, GFP_KERNEL);
if (!msg)
return;
@@ -13249,7 +13249,7 @@ void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr,
trace_cfg80211_notify_new_peer_candidate(dev, addr);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + ie_len, gfp);
if (!msg)
return;
@@ -13620,7 +13620,7 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return -ENOMEM;
@@ -13664,7 +13664,7 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
@@ -14473,7 +14473,7 @@ void cfg80211_ft_event(struct net_device *netdev,
if (!ft_event->target_ap)
return;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL);
if (!msg)
return;

43
sound/core/oss/pcm_oss.c
View File

@@ -951,6 +951,28 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
oss_frame_size = snd_pcm_format_physical_width(params_format(params)) *
params_channels(params) / 8;
err = snd_pcm_oss_period_size(substream, params, sparams);
if (err < 0)
goto failure;
n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
if (err < 0)
goto failure;
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
runtime->oss.periods, NULL);
if (err < 0)
goto failure;
snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams);
if (err < 0) {
pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);
goto failure;
}
#ifdef CONFIG_SND_PCM_OSS_PLUGINS
snd_pcm_oss_plugin_clear(substream);
if (!direct) {
@@ -985,27 +1007,6 @@ static int snd_pcm_oss_change_params_locked(struct snd_pcm_substream *substream)
}
#endif
err = snd_pcm_oss_period_size(substream, params, sparams);
if (err < 0)
goto failure;
n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
if (err < 0)
goto failure;
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
runtime->oss.periods, NULL);
if (err < 0)
goto failure;
snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams)) < 0) {
pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);
goto failure;
}
if (runtime->oss.trigger) {
sw_params->start_threshold = 1;
} else {

9
sound/core/pcm_native.c
View File

@@ -1258,8 +1258,15 @@ static int snd_pcm_pause(struct snd_pcm_substream *substream, int push)
static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream, int state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
switch (runtime->status->state) {
case SNDRV_PCM_STATE_SUSPENDED:
return -EBUSY;
/* unresumable PCM state; return -EBUSY for skipping suspend */
case SNDRV_PCM_STATE_OPEN:
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_DISCONNECTED:
return -EBUSY;
}
runtime->trigger_master = substream;
return 0;
}

2
sound/core/rawmidi.c
View File

@@ -29,6 +29,7 @@
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/nospec.h>
#include <sound/rawmidi.h>
#include <sound/info.h>
#include <sound/control.h>
@@ -591,6 +592,7 @@ static int __snd_rawmidi_info_select(struct snd_card *card,
return -ENXIO;
if (info->stream < 0 || info->stream > 1)
return -EINVAL;
info->stream = array_index_nospec(info->stream, 2);
pstr = &rmidi->streams[info->stream];
if (pstr->substream_count == 0)
return -ENOENT;

7
sound/core/seq/oss/seq_oss_synth.c
View File

@@ -617,13 +617,14 @@ int
snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_info *inf)
{
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev);
if (dev < 0 || dev >= dp->max_synthdev)
if (!info)
return -ENXIO;
if (dp->synths[dev].is_midi) {
if (info->is_midi) {
struct midi_info minf;
snd_seq_oss_midi_make_info(dp, dp->synths[dev].midi_mapped, &minf);
snd_seq_oss_midi_make_info(dp, info->midi_mapped, &minf);
inf->synth_type = SYNTH_TYPE_MIDI;
inf->synth_subtype = 0;
inf->nr_voices = 16;

20
tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
View File

@@ -240,19 +240,15 @@ struct intel_pt_decoder *intel_pt_decoder_new(struct intel_pt_params *params)
if (!(decoder->tsc_ctc_ratio_n % decoder->tsc_ctc_ratio_d))
decoder->tsc_ctc_mult = decoder->tsc_ctc_ratio_n /
decoder->tsc_ctc_ratio_d;
/*
* Allow for timestamps appearing to backwards because a TSC
* packet has slipped past a MTC packet, so allow 2 MTC ticks
* or ...
*/
decoder->tsc_slip = multdiv(2 << decoder->mtc_shift,
decoder->tsc_ctc_ratio_n,
decoder->tsc_ctc_ratio_d);
}
/* ... or 0x100 paranoia */
if (decoder->tsc_slip < 0x100)
decoder->tsc_slip = 0x100;
/*
* A TSC packet can slip past MTC packets so that the timestamp appears
* to go backwards. One estimate is that can be up to about 40 CPU
* cycles, which is certainly less than 0x1000 TSC ticks, but accept
* slippage an order of magnitude more to be on the safe side.
*/
decoder->tsc_slip = 0x10000;
intel_pt_log("timestamp: mtc_shift %u\n", decoder->mtc_shift);
intel_pt_log("timestamp: tsc_ctc_ratio_n %u\n", decoder->tsc_ctc_ratio_n);

3
virt/kvm/kvm_main.c
View File

@@ -2793,6 +2793,9 @@ static long kvm_device_ioctl(struct file *filp, unsigned int ioctl,
{
struct kvm_device *dev = filp->private_data;
if (dev->kvm->mm != current->mm)
return -EIO;
switch (ioctl) {
case KVM_SET_DEVICE_ATTR:
return kvm_device_ioctl_attr(dev, dev->ops->set_attr, arg);