[PATCH 1/1] PCI: xen-pcifront, fix potential NULL dereference

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Milton spotted that we dereference NULL in one fail path in
pcifront_common_process. Fix that by using different device to print
out an error.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Milton Miller <miltonm@xxxxxxx>
---
 drivers/pci/xen-pcifront.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index f9ffc05..1a56067 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -576,8 +576,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
 
 	pcidev = pci_get_bus_and_slot(bus, devfn);
 	if (!pcidev || !pcidev->driver) {
-		dev_err(&pcidev->dev,
-			"device or driver is NULL\n");
+		dev_err(&pdev->xdev->dev, "AER device or driver is NULL\n");
 		pci_dev_put(pcidev);
 		return result;
 	}
-- 
1.7.3.1


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