From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Mon, 13 Feb 2012 10:23:09 +0000 (+0100)
Subject: iwlegacy: always check if got h/w access before write
X-Git-Tag: v3.4-rc1~177^2~108^2~39^2~103
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e0f32a43ae652eaa5b23dc06852938555cb8da1;p=pandora-kernel.git

iwlegacy: always check if got h/w access before write

Before we write to the device register always check if
_il_grap_nic_access() was successful.

Change type return type _il_grap_nic_access() to bool, and
add likely()/unlikely() statements.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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