Commit 517ccc2a authored by Kangjie Lu's avatar Kangjie Lu Committed by David S. Miller
Browse files

net: tipc: fix a missing check for nla_nest_start 



nla_nest_start may fail. The fix check its status and returns
-EMSGSIZE in case it fails.

Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9180bb4f

net/tipc/socket.c

+2 −0
Original line number Diff line number Diff line
@@ -3255,6 +3255,8 @@ static int __tipc_nl_add_sk_con(struct sk_buff *skb, struct tipc_sock *tsk) 
	peer_port = tsk_peer_port(tsk);



	nest = nla_nest_start(skb, TIPC_NLA_SOCK_CON);

	if (!nest)

		return -EMSGSIZE;



	if (nla_put_u32(skb, TIPC_NLA_CON_NODE, peer_node))

		goto msg_full;