From: Thomas Pedersen <thomas@cozybit.com>
Date: Thu, 13 Jun 2013 22:54:41 +0000 (-0700)
Subject: mac80211: update mesh beacon on workqueue
X-Git-Tag: v3.11-rc1~64^2~78^2^2~24^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f81a9dedaff434604c7fc3d9c299d277b76db0a8;p=pandora-kernel.git

mac80211: update mesh beacon on workqueue

Instead of updating the mesh beacon immediately when
requested (which would require the sdata_lock()), defer it
to the mac80211 workqueue.

Fixes yet another deadlock on calling sta_info_flush()
with the sdata_lock() held from ieee80211_stop_mesh(). We
could just drop the sdata_lock() around the
mesh_sta_cleanup() call, but this path is also taken from
several non-locked error paths.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
[fix comment position]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

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