From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 19 Feb 2014 10:18:10 +0000 (+0100)
Subject: ALSA: core: Fix missing card sysfs contents
X-Git-Tag: v3.15-rc1~142^2~3^2~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b203dbab0838afa4b2de8b5bd880fb124446b764;p=pandora-kernel.git

ALSA: core: Fix missing card sysfs contents

While moving the card device into struct snd_card, the reference to
the assigned card in sysfs show/store callbacks were forgotten to be
refreshed, still accessing to the no longer used drvdata.  Fix these
places to refer correctly via container_of().

Also, remove the superfluous NULL checks since it's guaranteed to be
non-NULL now.

Fixes: 8bfb181c17d2 ('ALSA: Embed card device into struct snd_card')
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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