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dsp: q6voice: Switch to __builtin_add_overflow

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As seen on newer kernels

Change-Id: I87f0a408c211f956ebe8acaf23cbdd8c89fef9e5
This commit is contained in:
Michael Bestas
2024-10-13 16:42:43 +03:00
parent 872164ebc4
commit 7af616af00
1 changed files with 2 additions and 13 deletions
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15
techpack/audio/dsp/q6voice.c
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@@ -41,17 +41,6 @@
#define CVP_VERSION_2 2
#define GAIN_Q14_FORMAT(a) (a << 14)
/* Checking for unsigned overflow is relatively easy without causing UB. */
#define __unsigned_add_overflow(a, b, d) ({ \
typeof(a) __a = (a); \
typeof(b) __b = (b); \
typeof(d) __d = (d); \
(void) (&__a == &__b); \
(void) (&__a == __d); \
*__d = __a + __b; \
*__d < __a; \
})
enum {
VOC_TOKEN_NONE,
VOIP_MEM_MAP_TOKEN,
@@ -7638,8 +7627,8 @@ static int32_t qdsp_cvs_callback(struct apr_client_data *data, void *priv)
cvs_voc_pkt = v->shmem_info.sh_buf.buf[1].data;
if (__unsigned_add_overflow(cvs_voc_pkt[2],
(uint32_t)(3 * sizeof(uint32_t)), &tot_buf_sz)) {
if (__builtin_add_overflow(cvs_voc_pkt[2],
3 * sizeof(uint32_t), &tot_buf_sz)) {
pr_err("%s: integer overflow detected\n", __func__);
return -EINVAL;
}