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(parent: ce95320) | patch
cfg80211: protect beacon changing functions with wdev-lock
authorSimon Wunderlich <sw@simonwunderlich.de>
Thu, 21 Nov 2013 17:19:49 +0000 (18:19 +0100)
committerJohannes Berg <johannes.berg@intel.com>
Mon, 2 Dec 2013 10:51:53 +0000 (11:51 +0100)
commitc56589ed1d25ae110a5b000bc1edea8f6861348f
tree32545cfb3e3e7fc512a37937a71f8445877fbc5dtree | snapshot
parentce95320443c72ba43f8f9c6ceb276673cc30e2cecommit | diff
cfg80211: protect beacon changing functions with wdev-lock

To avoid race conditions in functions which modify the beacon
information, lock these using the wdev lock. This is especially required
to avoid problems for csa handling functions which modify beacons but
can not be called under rtnl lock.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/wireless/nl80211.c diff | blob | history
Domain: System / Kernel;