[PATCH 4.13 07/44] macsec: fix memory leaks when skb_to_sgvec fails

[Greg Kroah-Hartman]

4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx>


[ Upstream commit 5aba2ba5030b66a6f8c93049b718556f9aacd7c6 ]

Fixes: cda7ea690350 ("macsec: check return value of skb_to_sgvec always")
Signed-off-by: Sabrina Dubroca <sd@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/macsec.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -742,6 +742,7 @@ static struct sk_buff *macsec_encrypt(st
 	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(st
 	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);
 	}