On 11-07-2013 13:06, Ming Lei wrote:
Here the subject doesn't match the patch.
Complete() will be run with interrupt enabled, so disable local
interrupt before holding a global lock which is held without irqsave.
Cc: Clemens Ladisch <clemens@xxxxxxxxxx>
Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
sound/usb/misc/ua101.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 8b5d2c5..52a60c6 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -613,14 +613,24 @@ static int start_usb_playback(struct ua101 *ua)
static void abort_alsa_capture(struct ua101 *ua)
{
- if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states))
+ if (test_bit(ALSA_CAPTURE_RUNNING, &ua->states)) {
+ unsigned long flags;
+
+ local_irq_save(flags);
snd_pcm_stop(ua->capture.substream, SNDRV_PCM_STATE_XRUN);
+ local_irq_restore(flags);
+ }
}
static void abort_alsa_playback(struct ua101 *ua)
{
- if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states))
+ if (test_bit(ALSA_PLAYBACK_RUNNING, &ua->states)) {
+ unsigned long flags;
+
+ local_irq_save(flags);
snd_pcm_stop(ua->playback.substream, SNDRV_PCM_STATE_XRUN);
+ local_irq_restore(flags);
+ }
}
WBR, Sergei
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