macsec: fix SA leak if initialization fails

Fixes: c09440f7dc ("macsec: introduce IEEE 802.1AE driver")
Reported-by: Lance Richardson <lrichard@redhat.com>
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sabrina Dubroca 2016-04-22 11:28:07 +02:00 committed by David S. Miller
parent 960d5848db
commit 38787fc209

View file

@ -1627,6 +1627,7 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info)
rx_sa = kmalloc(sizeof(*rx_sa), GFP_KERNEL);
if (!rx_sa || init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),
secy->key_len, secy->icv_len)) {
kfree(rx_sa);
rtnl_unlock();
return -ENOMEM;
}
@ -1771,6 +1772,7 @@ static int macsec_add_txsa(struct sk_buff *skb, struct genl_info *info)
tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL);
if (!tx_sa || init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),
secy->key_len, secy->icv_len)) {
kfree(tx_sa);
rtnl_unlock();
return -ENOMEM;
}