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net: thunder: Fix crash upon shutdown after failed probe 

If device probe fails, driver remains bound to the PCI device. However,
driver data has been reset to NULL. This causes crash upon dereferencing
it in nicvf_remove()

Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Fedin 2015-11-12 14:55:18 +03:00 committed by David S. Miller
parent ed5a377d87
commit 5883d9c6d7
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/cavium/thunder/nicvf_main.c
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@ -1600,6 +1600,9 @@ static void nicvf_remove(struct pci_dev *pdev)
static void nicvf_shutdown(struct pci_dev *pdev) static void nicvf_shutdown(struct pci_dev *pdev)
{ {
if (!pci_get_drvdata(pdev))
return;
nicvf_remove(pdev); nicvf_remove(pdev);
} }