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authorTony Lindgren <tony@atomide.com>2011-03-02 17:07:14 -0800
committerTony Lindgren <tony@atomide.com>2011-03-02 17:07:14 -0800
commit12d7d4e0ed8fecf7f74c89483b55b300be6e5901 (patch)
treef573761ac752ff04ec445e23aef50adadda49790 /sound/usb/pcm.c
parentaca6ad073ea820776bf5bdb87cf82eace35042c8 (diff)
parent790ab7e92bec24aee3939b300d36b99ab2e3f3ca (diff)
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Merge branch 'devel-cleanup' into omap-for-linus
Conflicts: arch/arm/mach-omap2/timer-gp.c
Diffstat (limited to 'sound/usb/pcm.c')
-rw-r--r--sound/usb/pcm.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 4132522..e3f6805 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -361,6 +361,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
}
if (changed) {
+ mutex_lock(&subs->stream->chip->shutdown_mutex);
/* format changed */
snd_usb_release_substream_urbs(subs, 0);
/* influenced: period_bytes, channels, rate, format, */
@@ -368,6 +369,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
params_rate(hw_params),
snd_pcm_format_physical_width(params_format(hw_params)) *
params_channels(hw_params));
+ mutex_unlock(&subs->stream->chip->shutdown_mutex);
}
return ret;
@@ -385,8 +387,9 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream)
subs->cur_audiofmt = NULL;
subs->cur_rate = 0;
subs->period_bytes = 0;
- if (!subs->stream->chip->shutdown)
- snd_usb_release_substream_urbs(subs, 0);
+ mutex_lock(&subs->stream->chip->shutdown_mutex);
+ snd_usb_release_substream_urbs(subs, 0);
+ mutex_unlock(&subs->stream->chip->shutdown_mutex);
return snd_pcm_lib_free_vmalloc_buffer(substream);
}