netdev - [PATCH] bonding: check nla_put

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Message-Id: <1494040626-13862-1-git-send-email-liuhangbin@gmail.com>
Date:   Sat,  6 May 2017 11:17:06 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH] bonding: check nla_put_be32 return value

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 drivers/net/bonding/bond_netlink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index c502c13..47a8103 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -549,7 +549,8 @@ static int bond_fill_info(struct sk_buff *skb,
 	targets_added = 0;
 	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
 		if (bond->params.arp_targets[i]) {
-			nla_put_be32(skb, i, bond->params.arp_targets[i]);
+			if (nla_put_be32(skb, i, bond->params.arp_targets[i]))
+				goto nla_put_failure;
 			targets_added = 1;
 		}
 	}
-- 
2.5.5