[IRDA]: Use kmemdup where applicable

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c
index fede837..7e5d12a 100644
--- a/net/irda/irlmp.c
+++ b/net/irda/irlmp.c
@@ -641,15 +641,13 @@
 	}
 
 	/* Allocate a new instance */
-	new = kmalloc(sizeof(struct lsap_cb), GFP_ATOMIC);
+	new = kmemdup(orig, sizeof(*new), GFP_ATOMIC);
 	if (!new)  {
 		IRDA_DEBUG(0, "%s(), unable to kmalloc\n", __FUNCTION__);
 		spin_unlock_irqrestore(&irlmp->unconnected_lsaps->hb_spinlock,
 				       flags);
 		return NULL;
 	}
-	/* Dup */
-	memcpy(new, orig, sizeof(struct lsap_cb));
 	/* new->lap = orig->lap; => done in the memcpy() */
 	/* new->slsap_sel = orig->slsap_sel; => done in the memcpy() */
 	new->conn_skb = NULL;