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Re: [PATCH 45/50] sound: usb: usx2y: spin_lock in complete() cleanup

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On 11-07-2013 13:06, Ming Lei wrote:

Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().

   Changelog doesn't match the patch.

Cc: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Takashi Iwai <tiwai@xxxxxxx>
Cc: alsa-devel@xxxxxxxxxxxxxxxx
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxxxxx>
---
  sound/usb/usx2y/usbusx2yaudio.c |    4 ++++
  1 file changed, 4 insertions(+)

diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 4967fe9..e2ee893 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -273,7 +273,11 @@ static void usX2Y_clients_stop(struct usX2Ydev *usX2Y)
  		struct snd_usX2Y_substream *subs = usX2Y->subs[s];
  		if (subs) {
  			if (atomic_read(&subs->state) >= state_PRERUNNING) {
+				unsigned long flags;
+
+				local_irq_save(flags);
  				snd_pcm_stop(subs->pcm_substream, SNDRV_PCM_STATE_XRUN);
+				local_irq_restore(flags);
  			}

WBR, Sergei


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