macsec: fix memory leaks when skb_to_sgvec fails

[ Upstream commit 5aba2ba503 ]

Fixes: cda7ea6903 ("macsec: check return value of skb_to_sgvec always")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sabrina Dubroca 2017-10-10 17:07:12 +02:00 committed by Greg Kroah-Hartman
parent 65b05d03a5
commit 5f6590d6fa

View file

@ -744,6 +744,7 @@ static struct sk_buff *macsec_encrypt(struct sk_buff *skb,
sg_init_table(sg, ret);
ret = skb_to_sgvec(skb, sg, 0, skb->len);
if (unlikely(ret < 0)) {
aead_request_free(req);
macsec_txsa_put(tx_sa);
kfree_skb(skb);
return ERR_PTR(ret);
@ -956,6 +957,7 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb,
sg_init_table(sg, ret);
ret = skb_to_sgvec(skb, sg, 0, skb->len);
if (unlikely(ret < 0)) {
aead_request_free(req);
kfree_skb(skb);
return ERR_PTR(ret);
}