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authorPavel Fedin <p.fedin@samsung.com>2015-11-12 14:55:18 +0300
committerDavid S. Miller <davem@davemloft.net>2015-11-15 18:30:00 -0500
commit5883d9c6d7e680bcdc7a8a9ed2509cd10dd98206 (patch)
tree5ee8e0a2dafd07803119989080a2edcaba56e3c9 /drivers/net/ethernet/cavium
parented5a377d87dc4c87fb3e1f7f698cba38cd893103 (diff)
downloadop-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.c3
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);
}
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