blob: 23047f68c966be79927d46a2f3d4892d332c0af7 [file] [log] [blame]
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 7 Oct 2022 10:58:26 +0200
Subject: [PATCH] wifi: mac80211: do not drop packets smaller than the
LLC-SNAP header on fast-rx
Since STP TCN frames are only 7 bytes, the pskb_may_pull call returns an error.
Instead of dropping those packets, bump them back to the slow path for proper
processing.
Fixes: 49ddf8e6e234 ("mac80211: add fast-rx path")
Reported-by: Chad Monroe <chad.monroe@smartrg.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4603,7 +4603,7 @@ static bool ieee80211_invoke_fast_rx(str
if (!(status->rx_flags & IEEE80211_RX_AMSDU)) {
if (!pskb_may_pull(skb, snap_offs + sizeof(*payload)))
- goto drop;
+ return false;
payload = (void *)(skb->data + snap_offs);