netfilter: nf_conntrack: remove double assignment

The protonet pointer will unconditionally be rewritten, so just do the
needed assignment first.

Signed-off-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index 1329e09..2de6c1f 100644 (file)
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -441,9 +441,8 @@ EXPORT_SYMBOL_GPL(nf_ct_l4proto_unregister_one);
 void nf_ct_l4proto_pernet_unregister_one(struct net *net,
                                         struct nf_conntrack_l4proto *l4proto)
 {
-       struct nf_proto_net *pn = NULL;
+       struct nf_proto_net *pn = nf_ct_l4proto_net(net, l4proto);
 
-       pn = nf_ct_l4proto_net(net, l4proto);
        if (pn == NULL)
                return;