net: proc: change proc_net_remove to remove_proc_entry

proc_net_remove is only used to remove proc entries
that under /proc/net,it's not a general function for
removing proc entries of netns. if we want to remove
some proc entries which under /proc/net/stat/, we still
need to call remove_proc_entry.

this patch use remove_proc_entry to replace proc_net_remove.
we can remove proc_net_remove after this patch.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 954bcd4..32030a2 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -482,18 +482,18 @@
 	return 0;
 
 out_snmp:
-	proc_net_remove(net, "netstat");
+	remove_proc_entry("netstat", net->proc_net);
 out_netstat:
-	proc_net_remove(net, "sockstat");
+	remove_proc_entry("sockstat", net->proc_net);
 out_sockstat:
 	return -ENOMEM;
 }
 
 static __net_exit void ip_proc_exit_net(struct net *net)
 {
-	proc_net_remove(net, "snmp");
-	proc_net_remove(net, "netstat");
-	proc_net_remove(net, "sockstat");
+	remove_proc_entry("snmp", net->proc_net);
+	remove_proc_entry("netstat", net->proc_net);
+	remove_proc_entry("sockstat", net->proc_net);
 }
 
 static __net_initdata struct pernet_operations ip_proc_ops = {