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authorThorsten Horstmann <thorsten@defutech.de>2017-02-03 14:38:29 +0100
committerJohannes Berg <johannes.berg@intel.com>2017-02-06 07:55:44 +0100
commitda7061c82e4a1bc6a5e134ef362c86261906c860 (patch)
tree204908ceb455847239a4287c066809a6c2ebda8e /net/wireless
parent01fba20b5976e445676febbdf6dc78d71c6d7b62 (diff)
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mac80211: Fix adding of mesh vendor IEs
The function ieee80211_ie_split_vendor doesn't return 0 on errors. Instead it returns any offset < ielen when WLAN_EID_VENDOR_SPECIFIC is found. The return value in mesh_add_vendor_ies must therefore be checked against ifmsh->ie_len and not 0. Otherwise all ifmsh->ie starting with WLAN_EID_VENDOR_SPECIFIC will be rejected. Fixes: 082ebb0c258d ("mac80211: fix mesh beacon format") Signed-off-by: Thorsten Horstmann <thorsten@defutech.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fit.fraunhofer.de> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> [sven@narfation.org: Add commit message] Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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