aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/hp100.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/hp100.c')
-rw-r--r--drivers/net/hp100.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index 8feda9fe8297..1d3429a415e6 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -1495,13 +1495,8 @@ static int hp100_start_xmit_bm(struct sk_buff *skb, struct net_device *dev)
1495 hp100_outw(0x4210, TRACE); 1495 hp100_outw(0x4210, TRACE);
1496 printk("hp100: %s: start_xmit_bm\n", dev->name); 1496 printk("hp100: %s: start_xmit_bm\n", dev->name);
1497#endif 1497#endif
1498
1499 if (skb == NULL) {
1500 return 0;
1501 }
1502
1503 if (skb->len <= 0) 1498 if (skb->len <= 0)
1504 return 0; 1499 goto drop;
1505 1500
1506 if (lp->chip == HP100_CHIPID_SHASTA && skb_padto(skb, ETH_ZLEN)) 1501 if (lp->chip == HP100_CHIPID_SHASTA && skb_padto(skb, ETH_ZLEN))
1507 return 0; 1502 return 0;
@@ -1514,10 +1509,10 @@ static int hp100_start_xmit_bm(struct sk_buff *skb, struct net_device *dev)
1514#endif 1509#endif
1515 /* not waited long enough since last tx? */ 1510 /* not waited long enough since last tx? */
1516 if (time_before(jiffies, dev->trans_start + HZ)) 1511 if (time_before(jiffies, dev->trans_start + HZ))
1517 return -EAGAIN; 1512 goto drop;
1518 1513
1519 if (hp100_check_lan(dev)) 1514 if (hp100_check_lan(dev))
1520 return -EIO; 1515 goto drop;
1521 1516
1522 if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) { 1517 if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) {
1523 /* we have a 100Mb/s adapter but it isn't connected to hub */ 1518 /* we have a 100Mb/s adapter but it isn't connected to hub */
@@ -1551,7 +1546,7 @@ static int hp100_start_xmit_bm(struct sk_buff *skb, struct net_device *dev)
1551 } 1546 }
1552 1547
1553 dev->trans_start = jiffies; 1548 dev->trans_start = jiffies;
1554 return -EAGAIN; 1549 goto drop;
1555 } 1550 }
1556 1551
1557 /* 1552 /*
@@ -1591,6 +1586,10 @@ static int hp100_start_xmit_bm(struct sk_buff *skb, struct net_device *dev)
1591 dev->trans_start = jiffies; 1586 dev->trans_start = jiffies;
1592 1587
1593 return 0; 1588 return 0;
1589
1590drop:
1591 dev_kfree_skb(skb);
1592 return NETDEV_TX_OK;
1594} 1593}
1595 1594
1596 1595
@@ -1648,16 +1647,11 @@ static int hp100_start_xmit(struct sk_buff *skb, struct net_device *dev)
1648 hp100_outw(0x4212, TRACE); 1647 hp100_outw(0x4212, TRACE);
1649 printk("hp100: %s: start_xmit\n", dev->name); 1648 printk("hp100: %s: start_xmit\n", dev->name);
1650#endif 1649#endif
1651
1652 if (skb == NULL) {
1653 return 0;
1654 }
1655
1656 if (skb->len <= 0) 1650 if (skb->len <= 0)
1657 return 0; 1651 goto drop;
1658 1652
1659 if (hp100_check_lan(dev)) 1653 if (hp100_check_lan(dev))
1660 return -EIO; 1654 goto drop;
1661 1655
1662 /* If there is not enough free memory on the card... */ 1656 /* If there is not enough free memory on the card... */
1663 i = hp100_inl(TX_MEM_FREE) & 0x7fffffff; 1657 i = hp100_inl(TX_MEM_FREE) & 0x7fffffff;
@@ -1671,7 +1665,7 @@ static int hp100_start_xmit(struct sk_buff *skb, struct net_device *dev)
1671 printk("hp100: %s: trans_start timing problem\n", 1665 printk("hp100: %s: trans_start timing problem\n",
1672 dev->name); 1666 dev->name);
1673#endif 1667#endif
1674 return -EAGAIN; 1668 goto drop;
1675 } 1669 }
1676 if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) { 1670 if (lp->lan_type == HP100_LAN_100 && lp->hub_status < 0) {
1677 /* we have a 100Mb/s adapter but it isn't connected to hub */ 1671 /* we have a 100Mb/s adapter but it isn't connected to hub */
@@ -1705,7 +1699,7 @@ static int hp100_start_xmit(struct sk_buff *skb, struct net_device *dev)
1705 } 1699 }
1706 } 1700 }
1707 dev->trans_start = jiffies; 1701 dev->trans_start = jiffies;
1708 return -EAGAIN; 1702 goto drop;
1709 } 1703 }
1710 1704
1711 for (i = 0; i < 6000 && (hp100_inb(OPTION_MSW) & HP100_TX_CMD); i++) { 1705 for (i = 0; i < 6000 && (hp100_inb(OPTION_MSW) & HP100_TX_CMD); i++) {
@@ -1759,6 +1753,11 @@ static int hp100_start_xmit(struct sk_buff *skb, struct net_device *dev)
1759#endif 1753#endif
1760 1754
1761 return 0; 1755 return 0;
1756
1757drop:
1758 dev_kfree_skb(skb);
1759 return NETDEV_TX_OK;
1760
1762} 1761}
1763 1762
1764 1763