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path: root/drivers/net/ks8851.c
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Diffstat (limited to 'drivers/net/ks8851.c')
-rw-r--r--drivers/net/ks8851.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c
index 13cc1ca261d..9e9f9b34976 100644
--- a/drivers/net/ks8851.c
+++ b/drivers/net/ks8851.c
@@ -722,12 +722,14 @@ 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);