tree 8e4e5ecaa9429f2592905f8c019082f217682560
parent dc4a787c8f52f9d6e46156953f8014a3353bcbc7
author Johannes Berg <johannes.berg@intel.com> 1361534101 +0100
committer Johannes Berg <johannes.berg@intel.com> 1361833759 +0100

mac80211: fix tim_lock locking

The ieee80211_beacon_add_tim() function might be called
by drivers with BHs enabled, which causes a potential
deadlock if TX happens at the same time and attempts to
lock the tim_lock as well. Use spin_lock_bh to fix it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>