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[Xen-devel] [PATCH 1/1] PCI: xen-pcifront, fix PCI reference leak



Stanse found that when pdev is found and has no driver a reference is
leaked in pcifront_common_process. So add pci_dev_put there. For the
pdev == NULL case, pci_dev_put(NULL) is fine.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
---
 drivers/pci/xen-pcifront.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index a87c498..f9ffc05 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -578,6 +578,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
        if (!pcidev || !pcidev->driver) {
                dev_err(&pcidev->dev,
                        "device or driver is NULL\n");
+               pci_dev_put(pcidev);
                return result;
        }
        pdrv = pcidev->driver;
-- 
1.7.3.1



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