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ALSA: pcxhr: Fix missing mutex unlock

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The commit [9bef72bdb2: ALSA: pcxhr: Use nonatomic PCM ops]
converted to non-atomic PCM ops, but shamelessly with an unbalanced
mutex locking, which leads to the hangup easily.  Fix it.

Fixes: 9bef72bdb2 ('ALSA: pcxhr: Use nonatomic PCM ops')
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=116441
Cc: <stable@vger.kernel.org> # 3.18+
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2016-04-21 17:37:54 +02:00
parent 9859a971ca
commit 67f3754b51
1 changed files with 1 additions and 0 deletions
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sound/pci/pcxhr/pcxhr_core.c
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@ -1341,5 +1341,6 @@ irqreturn_t pcxhr_threaded_irq(int irq, void *dev_id)
}
pcxhr_msg_thread(mgr);
mutex_unlock(&mgr->lock);
return IRQ_HANDLED;
}