[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/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 85bfbc6..55917fb 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -130,8 +130,7 @@
 out_put_cpu:
 	put_cpu();
 out:
-	if (tmp_hdr)
-		kfree(tmp_hdr);
+	kfree(tmp_hdr);
 	if (err)
 		goto error_out;
 	return nexthdr;