[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/irda/discovery.c b/net/irda/discovery.c
index c4ba5fa..3fefc82 100644
--- a/net/irda/discovery.c
+++ b/net/irda/discovery.c
@@ -194,8 +194,7 @@
 
 			/* Remove it from the log */
 			curr = hashbin_remove_this(log, (irda_queue_t *) curr);
-			if (curr)
-				kfree(curr);
+			kfree(curr);
 		}
 	}