malhuda/msm-4.14
1
0
Fork 0
mirror of https://github.com/rd-stuffs/msm-4.14.git synced 2025-02-20 11:45:48 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

ALSA: hda/hdmi: fix without unlocked before return

Browse Source 
commit a2f647240998aa49632fb09b01388fdf2b87acfc upstream.

Fix the following coccicheck warning:
sound/pci/hda/patch_hdmi.c:1852:2-8: preceding lock on line 1846

After add sanity check to pass klockwork check,
The spdif_mutex should be unlock before return true
in check_non_pcm_per_cvt().

Fixes: 960a581e22d9 ("ALSA: hda: fix some klockwork scan warnings")
Signed-off-by: Wu Bo <wubo40@huawei.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1587907042-694161-1-git-send-email-wubo40@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wu Bo 2020-04-26 21:17:22 +08:00 committed by Greg Kroah-Hartman
parent a088316c38
commit 7d8378ca26
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sound/pci/hda/patch_hdmi.c
View File

@ -1849,8 +1849,10 @@ static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
/* Add sanity check to pass klockwork check.
* This should never happen.
*/
if (WARN_ON(spdif == NULL))
if (WARN_ON(spdif == NULL)) {
mutex_unlock(&codec->spdif_mutex);
return true;
}
non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
mutex_unlock(&codec->spdif_mutex);
return non_pcm;