diff --git a/drivers/net/irda/kingsun-sir.c b/drivers/net/irda/kingsun-sir.c
index 9d813bc..c3e4e2c 100644
--- a/drivers/net/irda/kingsun-sir.c
+++ b/drivers/net/irda/kingsun-sir.c
@@ -156,9 +156,6 @@
 	int wraplen;
 	int ret = 0;
 
-	if (skb == NULL || netdev == NULL)
-		return -EINVAL;
-
 	netif_stop_queue(netdev);
 
 	/* the IRDA wrapping routines don't deal with non linear skb */
@@ -197,7 +194,7 @@
 	dev_kfree_skb(skb);
 	spin_unlock(&kingsun->lock);
 
-	return ret;
+	return NETDEV_TX_OK;
 }
 
 /* Receive callback function */