diff options
| author | Felix Fietkau <nbd@nbd.name> | 2018-01-22 08:00:16 +0200 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-01-25 07:30:49 +0200 |
| commit | 3c0efb745a172bfe96459e20cbd37b0c945d5f8d (patch) | |
| tree | 24c4444ab57333e7e93bb782d24716afd1a5f254 /drivers/net/wireless/ath/ath9k/recv.c | |
| parent | ebdd7b491b8a65d65936e07004caabca4a3c94a0 (diff) | |
ath9k: discard undersized packets
Sometimes the hardware will push small packets that trigger a WARN_ON
in mac80211. Discard them early to avoid this issue.
Reported-by: Stijn Tintel <stijn@linux-ipv6.be>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/recv.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 2197aee2bb72..a8ac42c96d71 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -826,9 +826,9 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, sc->rx.discard_next = false; /* - * Discard zero-length packets. + * Discard zero-length packets and packets smaller than an ACK */ - if (!rx_stats->rs_datalen) { + if (rx_stats->rs_datalen < 10) { RX_STAT_INC(rx_len_err); goto corrupt; } |