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wifi: mac80211: fix mesh forwarding
author
Felix Fietkau
<nbd@nbd.name>
Fri, 24 Mar 2023 12:09:22 +0000
(13:09 +0100)
committer
Johannes Berg
<johannes.berg@intel.com>
Thu, 30 Mar 2023 09:19:53 +0000
(11:19 +0200)
Linearize packets (needed for forwarding A-MSDU subframes).
Fixes:
986e43b19ae9
("wifi: mac80211: fix receiving A-MSDU frames on mesh interfaces")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link:
https://lore.kernel.org/r/20230324120924.38412-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/rx.c
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diff --git
a/net/mac80211/rx.c
b/net/mac80211/rx.c
index 7bd5aa2d5a958a9eb79f8e95107009ccb5a3c804..10efa429e94644c6cbc20721a911e9549941ec8f 100644
(file)
--- a/
net/mac80211/rx.c
+++ b/
net/mac80211/rx.c
@@
-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));