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

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Message-Id: <c986bb2421c817eeb00416bd2055f69040924af5.1460967681.git.sd@queasysnail.net>
Date:	Tue, 19 Apr 2016 19:36:38 +0200
From:	Sabrina Dubroca <sd@...asysnail.net>
To:	netdev@...r.kernel.org
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	Johannes Berg <johannes@...solutions.net>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Sabrina Dubroca <sd@...asysnail.net>
Subject: [PATCH net 1/5] macsec: add missing NULL check after kmalloc

Fixes: c09440f7dcb3 ("macsec: introduce IEEE 802.1AE driver")
Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.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