linux-kernel - Re: [PATCH] mcb: Do not return zero on error path in mcb_pci

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Date:	Thu, 22 Oct 2015 09:28:57 +0200
From:	Johannes Thumshirn <morbidrsa@...il.com>
To:	Alexey Khoroshilov <khoroshilov@...ras.ru>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	ldv-project@...uxtesting.org
Subject: Re: [PATCH] mcb: Do not return zero on error path in mcb_pci_probe()

On Sat, Oct 17, 2015 at 11:33 PM, Alexey Khoroshilov
<khoroshilov@...ras.ru> wrote:
> There is an error path in mcb_pci_probe() where
> it returns zero instead of error code.
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
> ---
>  drivers/mcb/mcb-pci.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c
> index 051645498b53..67d5e7d08df6 100644
> --- a/drivers/mcb/mcb-pci.c
> +++ b/drivers/mcb/mcb-pci.c
> @@ -51,6 +51,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>         priv->mapbase = pci_resource_start(pdev, 0);
>         if (!priv->mapbase) {
>                 dev_err(&pdev->dev, "No PCI resource\n");
> +               ret = -ENODEV;
>                 goto out_disable;
>         }
>
> --
> 1.9.1
>

Applied, thanks.

@Greg, shall I forward you the patch or do a pull request?
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