From: Takashi Iwai Date: Thu, 21 Apr 2016 15:37:54 +0000 (+0200) Subject: ALSA: pcxhr: Fix missing mutex unlock X-Git-Tag: v4.4.14-KARO~540 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=519aef523513a58f958e0aa432855e7b2a57a611;p=karo-tx-linux.git ALSA: pcxhr: Fix missing mutex unlock commit 67f3754b51f22b18c4820fb84062f658c30e8644 upstream. The commit [9bef72bdb26e: 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: 9bef72bdb26e ('ALSA: pcxhr: Use nonatomic PCM ops') Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=116441 Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- diff --git a/sound/pci/pcxhr/pcxhr_core.c b/sound/pci/pcxhr/pcxhr_core.c index c5194f5b150a..d7e71f309299 100644 --- a/sound/pci/pcxhr/pcxhr_core.c +++ b/sound/pci/pcxhr/pcxhr_core.c @@ -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; }