From: Larry Finger <Larry.Finger@lwfinger.net>
Date: Fri, 6 Apr 2012 21:54:17 +0000 (-0500)
Subject: rtlwifi: Fix oops on rate-control failure
X-Git-Tag: v3.4-rc3~32^2^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e89f7690a3adbde0af7c294f83c242ba6a367ef0;p=pandora-kernel.git

rtlwifi: Fix oops on rate-control failure

When the rate-control indexing is incorrectly set up, mac80211 issues
a warning and returns NULL from the call to ieee80211_get_tx_rate().
When this happens, avoid a NULL pointer dereference.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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