xen/pciback: Do not dereference psdev during printk when it is NULL.



.. instead use BUG_ON() as all the callers of the kill_domain_by_device
check for psdev.

Suggested-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

parent 5fbdc103

drivers/xen/xen-pciback/pci_stub.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -512,12 +512,7 @@ static void kill_domain_by_device(struct pcistub_device *psdev)
		int err;
		char nodename[PCI_NODENAME_MAX];

		if (!psdev) {
		dev_err(&psdev->dev->dev,
		"device is NULL when do AER recovery/kill_domain\n");
		return;
		}

		BUG_ON(!psdev);
		snprintf(nodename, PCI_NODENAME_MAX, "/local/domain/0/backend/pci/%d/0",
		psdev->pdev->xdev->otherend_id);