1 files changed, 14 insertions, 10 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 00bc65a0aac9..4bb52e9cd371 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -65,8 +65,8 @@
 #define RX_DEF_PENDING          RX_MAX_PENDING
 
 /* This is the worst case number of transmit list elements for a single skb:
-   VLAN + TSO + CKSUM + Data + skb_frags * DMA */
-#define MAX_SKB_TX_LE   (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS)
+   VLAN:GSO + CKSUM + Data + skb_frags * DMA */
+#define MAX_SKB_TX_LE   (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
 #define TX_MIN_PENDING          (MAX_SKB_TX_LE+1)
 #define TX_MAX_PENDING          4096
 #define TX_DEF_PENDING          127
@@ -1567,11 +1567,13 @@ static unsigned tx_le_req(const struct sk_buff *skb)
 {
         unsigned count;
 
-        count = sizeof(dma_addr_t) / sizeof(u32);
-        count += skb_shinfo(skb)->nr_frags * count;
+        count = (skb_shinfo(skb)->nr_frags + 1)
+                * (sizeof(dma_addr_t) / sizeof(u32));
 
         if (skb_is_gso(skb))
                 ++count;
+        else if (sizeof(dma_addr_t) == sizeof(u32))
+                ++count;        /* possible vlan */
 
         if (skb->ip_summed == CHECKSUM_PARTIAL)
                 ++count;
@@ -4548,16 +4550,18 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
         if (hw->ports > 1) {
                 struct net_device *dev1;
 
+                err = -ENOMEM;
                 dev1 = sky2_init_netdev(hw, 1, using_dac, wol_default);
-                if (!dev1)
-                        dev_warn(&pdev->dev, "allocation for second device failed\n");
-                else if ((err = register_netdev(dev1))) {
+                if (dev1 && (err = register_netdev(dev1)) == 0)
+                        sky2_show_addr(dev1);
+                else {
                         dev_warn(&pdev->dev,
                                  "register of second port failed (%d)\n", err);
                         hw->dev[1] = NULL;
-                        free_netdev(dev1);
-                } else
-                        sky2_show_addr(dev1);
+                        hw->ports = 1;
+                        if (dev1)
+                                free_netdev(dev1);
+                }
         }
 
         setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw);