From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 13 Oct 2014 21:14:46 +0000 (+0200)
Subject: ALSA: pcm: Fix referred substream in snd_pcm_action_group() unlock loop
X-Git-Tag: fixes-against-v3.18-rc2~34^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=811deedebab38f8360a700a52b0b75688c9a10f7;p=pandora-kernel.git

ALSA: pcm: Fix referred substream in snd_pcm_action_group() unlock loop

In the unlock loop of snd_pcm_action_group(), the object "s" is used
as the check of nonatomic PCM, but it should be rather "s1", which is
the iterator of the loop.  This supposedly causes a kernel panic when
the substreams in operatino are linked.

Fixes: 257f8cce5d40 ('ALSA: pcm: Allow nonatomic trigger operations')
Reported-and-tested-by: Arthur Marsh <arthur.marsh@internode.on.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

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