tree 1cfbdad9ad7df012fbddac170402795f2c99ef12
parent bc00a91d627026f08abf69bf5d0015499dd30c2a
author Johannes Berg <johannes.berg@intel.com> 1393937213 +0100
committer Johannes Berg <johannes.berg@intel.com> 1394030994 +0100

mac80211: clear sequence/fragment number in QoS-null frames

Avoid leaking data by sending uninitialized memory and setting an
invalid (non-zero) fragment number (the sequence number is ignored
anyway) by setting the seq_ctrl field to zero.

Cc: stable@vger.kernel.org
Fixes: 3f52b7e328c5 ("mac80211: mesh power save basics")
Fixes: ce662b44ce22 ("mac80211: send (QoS) Null if no buffered frames")
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>