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Commit e7dfc8db authored by Alexander V. Lukyanov's avatar Alexander V. Lukyanov Committed by David S. Miller
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tulip: fix hang in dmfe driver on sending of big packet 



This patch fixes hang in dmfe driver on attempt of sending a big packet.
Without this patch the code stops the queue and never wakes it again.

Signed-off-by: default avatarAlexander V. Lukyanov <lav@netis.ru>
Acked-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f8e96161

drivers/net/tulip/dmfe.c

+3 −3
Original line number Diff line number Diff line
@@ -688,9 +688,6 @@ static netdev_tx_t dmfe_start_xmit(struct sk_buff *skb, 


	DMFE_DBUG(0, "dmfe_start_xmit", 0);



	/* Resource flag check */

	netif_stop_queue(dev);



	/* Too large packet check */

	if (skb->len > MAX_PACKET_SIZE) {

		pr_err("big packet = %d\n", (u16)skb->len);
@@ -698,6 +695,9 @@ static netdev_tx_t dmfe_start_xmit(struct sk_buff *skb, 
		return NETDEV_TX_OK;

	}



	/* Resource flag check */

	netif_stop_queue(dev);



	spin_lock_irqsave(&db->lock, flags);



	/* No Tx resource check, it never happen nromally */