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Merge "msm: adsprpc: Removal of duplicate session check with fastrpc_session_exists"

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qctecmdr
2023-12-22 20:29:26 -08:00
committed by Gerrit - the friendly Code Review server
parent 41c3adea18 c5aeaa454d
commit 1853583b3e
1 changed files with 0 additions and 37 deletions
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37
drivers/char/adsprpc.c
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@@ -4348,38 +4348,6 @@ bail:
kfree(proc_name);
}
/*
* Function to restrict duplicate session creation with same tgid, cid.
* check introduced after extended session creation
* to avoid breaking in case of extended sessions.
*/
static bool fastrpc_session_exists(struct fastrpc_apps *me, uint32_t cid, int tgid)
{
struct fastrpc_file *fl;
struct hlist_node *n;
bool session_found = false;
unsigned long irq_flags = 0;
int total_session_count = 0;
spin_lock_irqsave(&me->hlock, irq_flags);
hlist_for_each_entry_safe(fl, n, &me->drivers, hn) {
if (fl->tgid == tgid && fl->cid == cid) {
++total_session_count;
if (total_session_count > 1) {
session_found = true;
break;
}
}
}
spin_unlock_irqrestore(&me->hlock, irq_flags);
if (session_found)
ADSPRPC_ERR(
"trying to open a session that already exists for tgid %d, channel ID %u\n",
tgid, cid);
return session_found;
}
int fastrpc_init_process(struct fastrpc_file *fl,
struct fastrpc_ioctl_init_attrs *uproc)
@@ -4405,11 +4373,6 @@ int fastrpc_init_process(struct fastrpc_file *fl,
err = -ECHRNG;
goto bail;
}
VERIFY(err, !fastrpc_session_exists(me, fl->cid, fl->tgid));
if (err) {
err = -EEXIST;
goto bail;
}
chan = &me->channel[cid];
if (chan->unsigned_support && fl->dev_minor == MINOR_NUM_DEV) {
/* Make sure third party applications */