From: John W. Linville <linville@tuxdriver.com>
Date: Mon, 21 Jun 2010 21:14:07 +0000 (-0400)
Subject: mac80211: avoid scheduling while atomic in mesh_rx_plink_frame
X-Git-Tag: v2.6.36-rc1~571^2~385^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c937019761a758f2749b1f3a032b7a91fb044753;p=pandora-kernel.git

mac80211: avoid scheduling while atomic in mesh_rx_plink_frame

While mesh_rx_plink_frame holds sta->lock...

mesh_rx_plink_frame ->
	mesh_plink_inc_estab_count ->
		ieee80211_bss_info_change_notify

...but ieee80211_bss_info_change_notify is allowed to sleep.  A driver
taking advantage of that allowance can cause a scheduling while
atomic bug.  Similar paths exist for mesh_plink_dec_estab_count,
so work around those as well.

http://bugzilla.kernel.org/show_bug.cgi?id=16099

Also, correct a minor kerneldoc comment error (mismatched function names).

Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: stable@kernel.org
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