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(parent: 9ff8ccf) | patch
mac80211: fix txq queue related crashes
authorMichal Kazior <michal.kazior@tieto.com>
Thu, 21 Jan 2016 13:23:07 +0000 (14:23 +0100)
committerJohannes Berg <johannes.berg@intel.com>
Wed, 24 Feb 2016 08:04:26 +0000 (09:04 +0100)
commitcb3197f0487346836d9dd12a212e970d6244bc1a
tree9c5d42d64aa67483d915834b129261bdce7119fdtree | snapshot
parent9ff8ccf052f498e740ef902043eff5e641538f6dcommit | diff
mac80211: fix txq queue related crashes

The driver can access the queue simultanously
while mac80211 tears down the interface. Without
spinlock protection this could lead to corrupting
sk_buff_head and subsequently to an invalid
pointer dereference.

Fixes: 55b67734d7b2 ("mac80211: add an intermediate software queue implementation")
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/iface.c diff | blob | history
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