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-rw-r--r--drivers/net/skge.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 14bf4cc5b07b..96b661b1f6c0 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2192,6 +2192,7 @@ static int skge_up(struct net_device *dev)
kfree(skge->rx_ring.start);
free_pci_mem:
pci_free_consistent(hw->pdev, skge->mem_size, skge->mem, skge->dma);
+ skge->mem = NULL;
return err;
}
@@ -2202,6 +2203,9 @@ static int skge_down(struct net_device *dev)
struct skge_hw *hw = skge->hw;
int port = skge->port;
+ if (skge->mem == NULL)
+ return 0;
+
if (netif_msg_ifdown(skge))
printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
@@ -2258,6 +2262,7 @@ static int skge_down(struct net_device *dev)
kfree(skge->rx_ring.start);
kfree(skge->tx_ring.start);
pci_free_consistent(hw->pdev, skge->mem_size, skge->mem, skge->dma);
+ skge->mem = NULL;
return 0;
}
@@ -2418,18 +2423,23 @@ static void skge_tx_timeout(struct net_device *dev)
static int skge_change_mtu(struct net_device *dev, int new_mtu)
{
- int err = 0;
- int running = netif_running(dev);
+ int err;
if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
return -EINVAL;
+ if (!netif_running(dev)) {
+ dev->mtu = new_mtu;
+ return 0;
+ }
+
+ skge_down(dev);
- if (running)
- skge_down(dev);
dev->mtu = new_mtu;
- if (running)
- skge_up(dev);
+
+ err = skge_up(dev);
+ if (err)
+ dev_close(dev);
return err;
}