[NET]: kfree cleanup

From: Jesper Juhl <jesper.juhl@gmail.com>

This is the net/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in net/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 02996ac..520ff71 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -525,8 +525,7 @@
 	return 0;
 
 errout:
-	if (f)
-		kfree(f);
+	kfree(f);
 	return err;
 }