Commit 8f0149a8 authored by Felix Fietkau's avatar Felix Fietkau Committed by Johannes Berg
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wifi: mac80211: fix mesh forwarding 



Linearize packets (needed for forwarding A-MSDU subframes).

Fixes: 986e43b1 ("wifi: mac80211: fix receiving A-MSDU frames on mesh interfaces")
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20230324120924.38412-1-nbd@nbd.name


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent e26c0946

net/mac80211/rx.c

+3 −0
Original line number Diff line number Diff line
@@ -2833,6 +2833,9 @@ ieee80211_rx_mesh_data(struct ieee80211_sub_if_data *sdata, struct sta_info *sta 


		if (skb_cow_head(fwd_skb, hdrlen - sizeof(struct ethhdr)))

			return RX_DROP_UNUSABLE;



		if (skb_linearize(fwd_skb))

			return RX_DROP_UNUSABLE;

	}



	fwd_hdr = skb_push(fwd_skb, hdrlen - sizeof(struct ethhdr));