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(parent: 7c5f387) | patch
cfg80211: fix scheduled scan pointer access
authorJohannes Berg <johannes.berg@intel.com>
Mon, 21 Oct 2013 09:33:35 +0000 (11:33 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 4 Dec 2013 18:57:30 +0000 (10:57 -0800)
commitf98c4b05dc4582055fdb58635d99232e3c6ffc47
treed291348cb21338063612913039a1ad8b21fd49fctree | snapshot
parent7c5f3874d9d697f9e21acbdd8be9e65af6f5a880commit | diff
cfg80211: fix scheduled scan pointer access

commit 79845c662eeb95c9a180b9bd0d3ad848ee65b94c upstream.

Since rdev->sched_scan_req is dereferenced outside the
lock protecting it, this might be done at the wrong
time, causing crashes. Move the dereference to where
it should be - inside the RTNL locked section.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/wireless/scan.c diff | blob | history
Domain: System / Kernel;