From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 7 Mar 2012 17:52:24 +0000 (-0800)
Subject: iwlwifi: always check if got h/w access before write
X-Git-Tag: v3.4-rc1~177^2~108^2~24
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bfe4b80e9f7385f34986736cdc094be56782109a;p=pandora-kernel.git

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

Before we write to the device registers always check if
iwl_grap_nic_access() was successful.

On the way change return type of grab_nic_access() to bool, and add
likely()/unlikely() statement.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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