[PATCH net 1/5] macsec: add missing NULL check after kmalloc

[Sabrina Dubroca]

Fixes: c09440f7dcb3 ("macsec: introduce IEEE 802.1AE driver")
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
Acked-by: Hannes Frederic Sowa <han...@stressinduktion.org>
---
 drivers/net/macsec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 84d3e5ca8817..f691030ee3df 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -1622,8 +1622,8 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct 
genl_info *info)
        }
 
        rx_sa = kmalloc(sizeof(*rx_sa), GFP_KERNEL);
-       if (init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), 
secy->key_len,
-                      secy->icv_len)) {
+       if (!rx_sa || init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]),
+                                secy->key_len, secy->icv_len)) {
                rtnl_unlock();
                return -ENOMEM;
        }
-- 
2.8.0