[SCHED]: Use kmemdup & kzalloc where appropriate

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c
index cc80bab..005db40 100644
--- a/net/sched/em_nbyte.c
+++ b/net/sched/em_nbyte.c
@@ -34,12 +34,10 @@
 		return -EINVAL;
 
 	em->datalen = sizeof(*nbyte) + nbyte->len;
-	em->data = (unsigned long) kmalloc(em->datalen, GFP_KERNEL);
+	em->data = (unsigned long)kmemdup(data, em->datalen, GFP_KERNEL);
 	if (em->data == 0UL)
 		return -ENOBUFS;
 
-	memcpy((void *) em->data, data, em->datalen);
-
 	return 0;
 }