From: Dan Carpenter <error27@gmail.com>
Date: Fri, 24 Jun 2011 13:33:35 +0000 (+0300)
Subject: mwifiex: restore handling of NULL parameters
X-Git-Tag: v3.1-rc1~316^2~232^2^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5e5aa6cee4cdb967a1f1c33a31165062783ccea;p=pandora-kernel.git

mwifiex: restore handling of NULL parameters

Prior to a5ffddb70c5cab "mwifiex: remove casts of void pointers" the
code assumed that the data_buf parameter could be a NULL pointer.
The patch preserved some NULL checks but not consistently, so there
was a potential for NULL dereferences and it changed the behavior.
This patch restores the original behavior.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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