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: Alexander V. Lukyanov <lav@netis.ru>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index a9f7d5d..7064e03 100644 (file)
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -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 */