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authorTim Harvey <harvey.tim@gmail.com>2010-12-09 10:43:13 -0800
committerJohn W. Linville <linville@tuxdriver.com>2010-12-13 14:53:46 -0500
commitc926d006c1514cfb3572893f41f2324e96823661 (patch)
treeb76f1ac5f172f7a5ee47da767cdc31bd4e164e32 /firmware/tehuti
parent4a55d5852adbe66722fb1636c82c7864cd5be441 (diff)
mac80211: Fix NULL-pointer deference on ibss merge when not ready
dev_open will eventually call ieee80211_ibss_join which sets up the skb used for beacons/probe-responses however it is possible to receive beacons that attempt to merge before this occurs causing a null pointer dereference. Check ssid_len as that is the last thing set in ieee80211_ibss_join. This occurs quite easily in the presence of adhoc nodes with hidden SSID's revised previous patch to check further up based on irc feedback Signed-off-by: Tim Harvey <harvey.tim@gmail.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'firmware/tehuti')
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