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authorFelix Fietkau <nbd@nbd.name>2022-10-07 11:05:09 +0200
committerJohannes Berg <johannes.berg@intel.com>2022-10-07 14:38:58 +0200
commitf5369dcf5c0a76260cd301bd5c25d59c451d62c1 (patch)
tree3fcdaa64f06e28614d578d32112fc22051759490
parentwifi: mt76: fix rate reporting / throughput regression on mt7915 and newer (diff)
downloadlinux-dev-f5369dcf5c0a76260cd301bd5c25d59c451d62c1.tar.xz
linux-dev-f5369dcf5c0a76260cd301bd5c25d59c451d62c1.zip
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> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/mac80211/rx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index bd215fe3c796..333adad47482 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4708,7 +4708,7 @@ static bool ieee80211_invoke_fast_rx(struct ieee80211_rx_data *rx,
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);