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>
This commit is contained in:
Konrad Rzeszutek Wilk 2011-09-29 13:43:28 -04:00
parent 5fbdc10395
commit 72bf809a19

View File

@ -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);