From: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Date: Fri, 1 Nov 2013 20:05:28 +0000 (+0100)
Subject: ath9k: dfs_debug fix possible NULL dereference
X-Git-Tag: v3.13-rc1~33^2~27^2^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4be6718c669bce10e9f709e2be68db2c5e22c4f0;p=pandora-kernel.git

ath9k: dfs_debug fix possible NULL dereference

Fix possible NULL (sc->dfs_detector) pointer dereference.

Detected by Smatch:
drivers/net/wireless/ath/ath9k/dfs_debug.c:67 read_file_dfs()
error: we previously assumed 'sc->dfs_detector' could be null (see line 47)

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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