[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_u32.c b/net/sched/cls_u32.c
index 364b87d..2b67047 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -347,7 +347,7 @@
 	if (n->ht_down)
 		n->ht_down->refcnt--;
 #ifdef CONFIG_CLS_U32_PERF
-	if (n && (NULL != n->pf))
+	if (n)
 		kfree(n->pf);
 #endif
 	kfree(n);
@@ -680,7 +680,7 @@
 		return 0;
 	}
 #ifdef CONFIG_CLS_U32_PERF
-	if (n && (NULL != n->pf))
+	if (n)
 		kfree(n->pf);
 #endif
 	kfree(n);