net: ipmr: ipmr_get_table() returns NULL

The ipmr_get_table() function doesn't return error pointers it returns
NULL on error.

Fixes: 4f75ba6982 ("net: ipmr: Add ipmr_rtm_getroute")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2017-07-12 10:56:47 +03:00 committed by David S. Miller
parent 88f0f09b3a
commit 2e3d232e13

View File

@ -2431,8 +2431,8 @@ static int ipmr_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
tableid = tb[RTA_TABLE] ? nla_get_u32(tb[RTA_TABLE]) : 0;
mrt = ipmr_get_table(net, tableid ? tableid : RT_TABLE_DEFAULT);
if (IS_ERR(mrt)) {
err = PTR_ERR(mrt);
if (!mrt) {
err = -ENOENT;
goto errout_free;
}