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/core/dev.c b/net/core/dev.c
index f2f81ef..decf55f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4532,11 +4532,11 @@
 out:
 	return rc;
 out_ptype:
-	proc_net_remove(net, "ptype");
+	remove_proc_entry("ptype", net->proc_net);
 out_softnet:
-	proc_net_remove(net, "softnet_stat");
+	remove_proc_entry("softnet_stat", net->proc_net);
 out_dev:
-	proc_net_remove(net, "dev");
+	remove_proc_entry("dev", net->proc_net);
 	goto out;
 }
 
@@ -4544,9 +4544,9 @@
 {
 	wext_proc_exit(net);
 
-	proc_net_remove(net, "ptype");
-	proc_net_remove(net, "softnet_stat");
-	proc_net_remove(net, "dev");
+	remove_proc_entry("ptype", net->proc_net);
+	remove_proc_entry("softnet_stat", net->proc_net);
+	remove_proc_entry("dev", net->proc_net);
 }
 
 static struct pernet_operations __net_initdata dev_proc_ops = {