From: Gabor Juhos <juhosg@openwrt.org>
Date: Mon, 10 Dec 2012 23:06:41 +0000 (+0100)
Subject: ath9k: check pdata variable before dereferencing it
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~45^2~17^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36b07d15a656b657beaf9e6357a341768192fad2;p=pandora-kernel.git

ath9k: check pdata variable before dereferencing it

Due to my recent commit (ath9k: allow to load EEPROM
content via firmware API) smatch complains about that
the 'pdata' variable in 'ath9k_hw_init' can be NULL
and it is dereferenced before checking that. That is
absolutely correct.

Check the 'pdata' variable before using it to avoid
a NULL pointer dereference.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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