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mpls: fix mpls_net_init memory leak

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Fix a memory leak in the mpls netns init function in case of failure. If
register_net_sysctl fails then we need to free the ctl_table.

Fixes: 7720c01f3f ("mpls: Add a sysctl to control the size of the mpls label table")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2015-08-31 10:44:19 -07:00 committed by David S. Miller
parent f0fa6e529e
commit 6ea3c9d5b0
1 changed files with 3 additions and 1 deletions
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4
net/mpls/af_mpls.c
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@ -1177,8 +1177,10 @@ static int mpls_net_init(struct net *net)
table[0].data = net;
net->mpls.ctl = register_net_sysctl(net, "net/mpls", table);
if (net->mpls.ctl == NULL)
if (net->mpls.ctl == NULL) {
kfree(table);
return -ENOMEM;
}
return 0;
}