DivestOS/Patches/Linux_CVEs-New/CVE-2017-0748/ANY/0.patch
2017-10-29 14:23:02 -04:00

42 lines
1.5 KiB
Diff

From 43ff88a8336310e665941dea6ffec77cc8314706 Mon Sep 17 00:00:00 2001
From: kunleiz <kunleiz@codeaurora.org>
Date: Fri, 14 Apr 2017 10:28:42 +0800
Subject: [PATCH] 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>
---
drivers/misc/qcom/qdsp6v2/audio_utils_aio.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/misc/qcom/qdsp6v2/audio_utils_aio.c b/drivers/misc/qcom/qdsp6v2/audio_utils_aio.c
index ea1cb510a97fa..59f40806ee2be 100644
--- a/drivers/misc/qcom/qdsp6v2/audio_utils_aio.c
+++ b/drivers/misc/qcom/qdsp6v2/audio_utils_aio.c
@@ -842,6 +842,7 @@ static long audio_aio_process_event_req_compat(struct q6audio_aio *audio,
long rc;
struct msm_audio_event32 usr_evt_32;
struct msm_audio_event usr_evt;
+ memset(&usr_evt, 0, sizeof(struct msm_audio_event));
if (copy_from_user(&usr_evt_32, arg,
sizeof(struct msm_audio_event32))) {
@@ -851,6 +852,11 @@ static long audio_aio_process_event_req_compat(struct q6audio_aio *audio,
usr_evt.timeout_ms = usr_evt_32.timeout_ms;
rc = audio_aio_process_event_req_common(audio, &usr_evt);
+ if (rc < 0) {
+ pr_err("%s: audio process event failed, rc = %ld",
+ __func__, rc);
+ return rc;
+ }
usr_evt_32.event_type = usr_evt.event_type;
switch (usr_evt_32.event_type) {