Commit 497f358a authored by Sabrina Dubroca's avatar Sabrina Dubroca Committed by David S. Miller

macsec: don't put a NULL rxsa

The "deliver:" path of macsec_handle_frame can be called with
rx_sa == NULL.  Check rx_sa != NULL before calling macsec_rxsa_put().

Fixes: c09440f7 ("macsec: introduce IEEE 802.1AE driver")
Signed-off-by: default avatarSabrina Dubroca <sd@queasysnail.net>
Acked-by: default avatarHannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c10c63ea
...@@ -1161,7 +1161,8 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) ...@@ -1161,7 +1161,8 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb)
macsec_extra_len(macsec_skb_cb(skb)->has_sci)); macsec_extra_len(macsec_skb_cb(skb)->has_sci));
macsec_reset_skb(skb, secy->netdev); macsec_reset_skb(skb, secy->netdev);
macsec_rxsa_put(rx_sa); if (rx_sa)
macsec_rxsa_put(rx_sa);
count_rx(dev, skb->len); count_rx(dev, skb->len);
rcu_read_unlock(); rcu_read_unlock();
......
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