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authorChristian Lamparter <chunkeey@googlemail.com>2010-08-24 17:22:42 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2010-08-25 18:34:56 (GMT)
commit2c15a0cf27a74213a714cc7be31685b841f7c1ac (patch)
tree7d2e0bcf9b3c04922ddce91e4641eeed4387c11f /drivers/net/e1000
parent74b70a4e38d542843fccfb367dce1ac861cc3890 (diff)
downloadlinux-fsl-qoriq-2c15a0cf27a74213a714cc7be31685b841f7c1ac.tar.xz
mac80211: fix rcu-unsafe pointer dereference
This patch fixes a potential crash (null-pointer de- reference) which was introduced in my previous patch: "mac80211: AMPDU rx reorder timeout timer" During a BA teardown, the pointer to the soon-to-be-gone tid_ampdu_rx element will be nullified. Therefore the release timer mechanism has to be careful not to accidentally access the item without any RCU protection. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/e1000')
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