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author | Pavel Fedin <p.fedin@samsung.com> | 2015-11-12 14:55:18 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2015-11-15 18:30:00 -0500 |
commit | 5883d9c6d7e680bcdc7a8a9ed2509cd10dd98206 (patch) | |
tree | 5ee8e0a2dafd07803119989080a2edcaba56e3c9 /drivers/net/ethernet/cavium | |
parent | ed5a377d87dc4c87fb3e1f7f698cba38cd893103 (diff) | |
download | op-kernel-dev-5883d9c6d7e680bcdc7a8a9ed2509cd10dd98206.zip op-kernel-dev-5883d9c6d7e680bcdc7a8a9ed2509cd10dd98206.tar.gz |
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>
Diffstat (limited to 'drivers/net/ethernet/cavium')
-rw-r--r-- | drivers/net/ethernet/cavium/thunder/nicvf_main.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index a937772..372c39e 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -1600,6 +1600,9 @@ static void nicvf_remove(struct pci_dev *pdev) static void nicvf_shutdown(struct pci_dev *pdev) { + if (!pci_get_drvdata(pdev)) + return; + nicvf_remove(pdev); } |