Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / net / ks8851.c

diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c
index 4dcd61f..b8ed1ee 100644 (file)
--- a/drivers/net/ks8851.c
+++ b/drivers/net/ks8851.c
@@ -717,12 +717,14 @@ static void ks8851_tx_work(struct work_struct *work)
                txb = skb_dequeue(&ks->txq);
                last = skb_queue_empty(&ks->txq);
 
-               ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
-               ks8851_wrpkt(ks, txb, last);
-               ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
-               ks8851_wrreg16(ks, KS_TXQCR, TXQCR_METFE);
+               if (txb != NULL) {
+                       ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
+                       ks8851_wrpkt(ks, txb, last);
+                       ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
+                       ks8851_wrreg16(ks, KS_TXQCR, TXQCR_METFE);
 
-               ks8851_done_tx(ks, txb);
+                       ks8851_done_tx(ks, txb);
+               }
        }
 
        mutex_unlock(&ks->lock);