[Xen-devel] [PATCH 3/9] xen/pciback: Check if the device is found instead of blindly assuming so.

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

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

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
---
 drivers/xen/xen-pciback/pci_stub.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/xen/xen-pciback/pci_stub.c 
b/drivers/xen/xen-pciback/pci_stub.c
index d985b65..55086e9 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -222,6 +222,8 @@ void pcistub_put_pci_dev(struct pci_dev *dev)
        }
 
        spin_unlock_irqrestore(&pcistub_devices_lock, flags);
+       if (!found_psdev)
+               return;
 
        /*hold this lock for avoiding breaking link between
        * pcistub and xen_pcibk when AER is in processing
-- 
1.7.4.1


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