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authorMike McCormack <mikem@ring3k.org>2009-09-23 03:50:36 +0000
committerDavid S. Miller <davem@davemloft.net>2009-09-30 20:03:18 -0700
commitf1914226e12044f0cacda59efc91bee972c30341 (patch)
tree8cacad205caa6d14829f196bfad3f46e72eac858 /drivers/net/skge.c
parentec1652af18ef02c7c6ceeabb64f56f16eaf40ae9 (diff)
skge: Make sure both ports initialize correctly
If allocation of the second ports fails, make sure that hw->ports is not 2 otherwise we'll crash trying to access the second port. This fix is copied from a similar fix in the sky2 driver (ca519274...), but is untested, as I don't have a skge card. Signed-off-by: Mike McCormack <mikem@ring3k.org> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/skge.c')
-rw-r--r--drivers/net/skge.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 55bad408196..2bb21ffbde3 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -3982,14 +3982,17 @@ static int __devinit skge_probe(struct pci_dev *pdev,
}
skge_show_addr(dev);
- if (hw->ports > 1 && (dev1 = skge_devinit(hw, 1, using_dac))) {
- if (register_netdev(dev1) == 0)
+ if (hw->ports > 1) {
+ dev1 = skge_devinit(hw, 1, using_dac);
+ if (dev1 && register_netdev(dev1) == 0)
skge_show_addr(dev1);
else {
/* Failure to register second port need not be fatal */
dev_warn(&pdev->dev, "register of second port failed\n");
hw->dev[1] = NULL;
- free_netdev(dev1);
+ hw->ports = 1;
+ if (dev1)
+ free_netdev(dev1);
}
}
pci_set_drvdata(pdev, hw);