If uio_register_device() fails in probe(), it breaks off initialization, deallocates all resources, but returns zero. The patch adds proper error code propagation. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx> --- drivers/uio/uio_pci_generic.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/uio/uio_pci_generic.c b/drivers/uio/uio_pci_generic.c index 077ae12269ce..d0b508b68f3c 100644 --- a/drivers/uio/uio_pci_generic.c +++ b/drivers/uio/uio_pci_generic.c @@ -91,7 +91,8 @@ static int probe(struct pci_dev *pdev, gdev->info.handler = irqhandler; gdev->pdev = pdev; - if (uio_register_device(&pdev->dev, &gdev->info)) + err = uio_register_device(&pdev->dev, &gdev->info); + if (err) goto err_register; pci_set_drvdata(pdev, gdev); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
