From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Cc: johannes@sipsolutions.net
Subject: [PATCH 1/3] wifi: mac80211: fix mesh forwarding
Date: Fri, 24 Mar 2023 13:09:22 +0100 [thread overview]
Message-ID: <20230324120924.38412-1-nbd@nbd.name> (raw)
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>
---
net/mac80211/rx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index e8de500eb9f3..4be80c7dda95 100644
--- 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));
--
2.39.0
next reply other threads:[~2023-03-24 12:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-24 12:09 Felix Fietkau [this message]
2023-03-24 12:09 ` [PATCH 2/3] wifi: mac80211: fix flow dissection for forwarded packets Felix Fietkau
2023-03-24 12:09 ` [PATCH 3/3] wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta Felix Fietkau
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