diff mbox

[net,v2,3/9] macsec: don't put a NULL rxsa

Message ID dfab72097c629017b4418934d9c327872073b217.1461315621.git.sd@queasysnail.net
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Sabrina Dubroca April 22, 2016, 9:28 a.m. UTC 
The "deliver:" path of macsec_handle_frame can be called with
rx_sa == NULL.  Check rx_sa != NULL before calling macsec_rxsa_put().

Fixes: c09440f7dcb3 ("macsec: introduce IEEE 802.1AE driver")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
---
 drivers/net/macsec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 5f3ea8026074..2a2136b7d324 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -1161,7 +1161,8 @@  deliver:
 			    macsec_extra_len(macsec_skb_cb(skb)->has_sci));
 	macsec_reset_skb(skb, secy->netdev);
 
-	macsec_rxsa_put(rx_sa);
+	if (rx_sa)
+		macsec_rxsa_put(rx_sa);
 	count_rx(dev, skb->len);
 
 	rcu_read_unlock();