Commit 78302fd4 authored Apr 23, 2017 by Pan Bian Committed by David S. Miller Apr 24, 2017

tipc: check return value of nlmsg_new



Function nlmsg_new() will return a NULL pointer if there is no enough
memory, and its return value should be checked before it is used.
However, in function tipc_nl_node_get_monitor(), the validation of the
return value of function nlmsg_new() is missed. This patch fixes the
bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent a50fe0ff

net/tipc/node.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2098,6 +2098,8 @@ int tipc_nl_node_get_monitor(struct sk_buff skb, struct genl_info info)
		int err;

		msg.skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
		if (!msg.skb)
		return -ENOMEM;
		msg.portid = info->snd_portid;
		msg.seq = info->snd_seq;