From: Tushar Behera <tushar.b@samsung.com>
Date: Fri, 4 Jul 2014 08:53:00 +0000 (+0530)
Subject: ASoC: core: Fix possible NULL pointer dereference
X-Git-Tag: cleanup-for-v3.18~103^2~5^2~15^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e07e7c0854b32181b314f5ba43007629594663a;p=pandora-kernel.git

ASoC: core: Fix possible NULL pointer dereference

snd_soc_of_parse_card_name() may be called before card->dev has been
set, which results in a kernel panic.

Unable to handle kernel NULL pointer dereference at virtual address 00000210
PC is at snd_soc_of_parse_card_name+0x18/0x54
LR is at snow_probe+0x5c/0xd4

Add an error check in snd_soc_of_parse_card_name() to take care of this
case and print out a message in case of error.

Signed-off-by: Tushar Behera <tushar.b@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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