diff options
| author | Takashi Iwai <tiwai@suse.de> | 2013-07-11 17:57:55 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-11 16:10:08 -0700 |
| commit | 2f6101666e02d58039bdedc4deb320ed02e2b558 (patch) | |
| tree | 7b692561ca73e64e38c66efffb86464c3fcf7dbf /sound | |
| parent | 593827efb8bfab1365124296a1059036fd7d6c9a (diff) | |
ALSA: 6fire: Fix unlocked snd_pcm_stop() call
commit 5b9ab3f7324a1b94a5a5a76d44cf92dfeb3b5e80 upstream.
snd_pcm_stop() must be called in the PCM substream lock context.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Weng Meiling <wengmeiling.weng@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/6fire/pcm.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c index 4da9ca9c81bf..7c4f311af0f1 100644 --- a/sound/usb/6fire/pcm.c +++ b/sound/usb/6fire/pcm.c @@ -639,17 +639,25 @@ int __devinit usb6fire_pcm_init(struct sfire_chip *chip) void usb6fire_pcm_abort(struct sfire_chip *chip) { struct pcm_runtime *rt = chip->pcm; + unsigned long flags; int i; if (rt) { rt->panic = true; - if (rt->playback.instance) + if (rt->playback.instance) { + snd_pcm_stream_lock_irqsave(rt->playback.instance, flags); snd_pcm_stop(rt->playback.instance, SNDRV_PCM_STATE_XRUN); - if (rt->capture.instance) + snd_pcm_stream_unlock_irqrestore(rt->playback.instance, flags); + } + + if (rt->capture.instance) { + snd_pcm_stream_lock_irqsave(rt->capture.instance, flags); snd_pcm_stop(rt->capture.instance, SNDRV_PCM_STATE_XRUN); + snd_pcm_stream_unlock_irqrestore(rt->capture.instance, flags); + } for (i = 0; i < PCM_N_URBS; i++) { usb_poison_urb(&rt->in_urbs[i].instance); |