Commit 4645bf30 authored Sep 29, 2011 by Konrad Rzeszutek Wilk

xen/pciback: Check if the device is found instead of blindly assuming so.



Just in case it is not found, don't try to dereference it.

[v1: Added WARN_ON, suggested by Jan Beulich <JBeulich@suse.com>]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

parent 72bf809a

drivers/xen/xen-pciback/pci_stub.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -220,6 +220,8 @@ void pcistub_put_pci_dev(struct pci_dev *dev)
		}

		spin_unlock_irqrestore(&pcistub_devices_lock, flags);
		if (WARN_ON(!found_psdev))
		return;

		/*hold this lock for avoiding breaking link between
		* pcistub and xen_pcibk when AER is in processing