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authorJohannes Berg <johannes.berg@intel.com>2015-01-09 11:40:39 +0100
committerJohannes Berg <johannes.berg@intel.com>2015-01-09 11:48:37 +0100
commit9b7a86f3514dd5cb4a6787292781daae65a29a10 (patch)
treeb98a66a8cd74795a6435405299b44572aa2bbc39 /Documentation/rfkill.txt
parenta809ca5e03c6dd3b324d148564715ca5ea2b8103 (diff)
mac80211: fix handling TIM IE when stations disconnect
When a station disconnects with frames still pending, we clear the TIM bit, but too late - it's only cleared when the station is already removed from the driver, and thus the driver can get confused (and hwsim will loudly complain.) Fix this by clearing the TIM bit earlier, when the station has been unlinked but not removed from the driver yet. To do this, refactor the TIM recalculation to in that case ignore traffic and simply assume no pending traffic - this is correct for the disconnected station even though the frames haven't been freed yet at that point. This patch isn't needed for current drivers though as they don't check the station argument to the set_tim() operation and thus don't really run into the possible confusion. Reported-by: Jouni Malinen <j@w1.fi> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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