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macsec: fix memory leaks when skb_to_sgvec fails 

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>
This commit is contained in:
Sabrina Dubroca 2017-10-10 17:07:12 +02:00 committed by David S. Miller
parent c0576e3975
commit 5aba2ba503
1 changed files with 2 additions and 0 deletions
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2
drivers/net/macsec.c
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@ -742,6 +742,7 @@ 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);
@ -954,6 +955,7 @@ 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);
}