diff options
| author | paulhsia <paulhsia@chromium.org> | 2019-11-13 01:17:14 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-11-13 10:51:36 +0100 |
| commit | f5cdc9d4003a2f66ea57b3edd3e04acc2b1a4439 (patch) | |
| tree | a17360281ab0a47bf58eb41881fc1367a2b8395c /sound/usb | |
| parent | 528699317dd6dc722dccc11b68800cf945109390 (diff) | |
| download | linux-f5cdc9d4003a2f66ea57b3edd3e04acc2b1a4439.tar.bz2 | |
ALSA: pcm: Fix stream lock usage in snd_pcm_period_elapsed()
If the nullity check for `substream->runtime` is outside of the lock
region, it is possible to have a null runtime in the critical section
if snd_pcm_detach_substream is called right before the lock.
Signed-off-by: paulhsia <paulhsia@chromium.org>
Link: https://lore.kernel.org/r/20191112171715.128727-2-paulhsia@chromium.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
0 files changed, 0 insertions, 0 deletions