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ASoC: msm: qdspv2: add result check when audio process fail 

A audio_process_event_req is not always to success. Therefore,
check the return value for audio_process_event_req, and
initializ usr_evt before using it.

CRs-Fixed: 2029798
Bug: 35764875
Change-Id: I4adf682575f5f9233a1a1a533f9c6361af8a5bcf
Signed-off-by: kunleiz <kunleiz@codeaurora.org>
This commit is contained in:
kunleiz 2017-04-14 10:28:42 +08:00 committed by ShevT
parent 929cc48d38
commit f9248c36a0
1 changed files with 6 additions and 2 deletions
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8
arch/arm/mach-msm/qdsp6v2/audio_utils_aio.c
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@ -592,7 +592,7 @@ static long audio_aio_process_event_req(struct q6audio_aio *audio,
struct audio_aio_event *drv_evt = NULL;
int timeout;
unsigned long flags;
memset(&usr_evt, 0, sizeof(struct msm_audio_event));
if (copy_from_user(&usr_evt, arg, sizeof(struct msm_audio_event)))
return -EFAULT;
@ -610,8 +610,12 @@ static long audio_aio_process_event_req(struct q6audio_aio *audio,
rc = wait_event_interruptible(audio->event_wait,
audio_aio_events_pending(audio));
}
if (rc < 0)
if (rc < 0) {
pr_err("%s: audio process event failed, rc = %ld",
__func__, rc);
return rc;
}
if (audio->event_abort) {
audio->event_abort = 0;