wifi: mac80211: fix potential null pointer dereference

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rx->sta->amsdu_mesh_control is being passed to ieee80211_amsdu_to_8023s
without checking rx->sta. Since it doesn't make sense to accept A-MSDU
packets without a sta, simply add a check earlier.

Fixes: 6e4c0d0460 ("wifi: mac80211: add a workaround for receiving non-standard mesh A-MSDU")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20230330090001.60750-2-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

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Felix Fietkau 2023-03-30 11:00:01 +02:00 • committed by Johannes Berg

parent 4d78e032fe

commit a16fc38315

1 changed files with 2 additions and 2 deletions

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net/mac80211/rx.c

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