[PATCH net] macsec: fix memory leaks when skb_to_sgvec fails

[Sabrina Dubroca]

Fixes: cda7ea690350 ("macsec: check return value of skb_to_sgvec always")
Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
---
 drivers/net/macsec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 98e4deaa3a6a..5ab1b8849c30 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -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);
        }
-- 
2.14.2