linux-kernel - Re: [PATCH] memstick: r592: Fix error return in r592

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Date:   Fri, 4 Dec 2020 15:37:58 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Jing Xiangfeng <jingxiangfeng@...wei.com>
Cc:     Maxim Levitsky <maximlevitsky@...il.com>,
        Alex Dubov <oakad@...oo.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] memstick: r592: Fix error return in r592_probe()

On Wed, 25 Nov 2020 at 02:43, Jing Xiangfeng <jingxiangfeng@...wei.com> wrote:
>
> Fix to return a error code from the error handling case instead of 0.
>
> Fixes: 926341250102 ("memstick: add driver for Ricoh R5C592 card reader")
> Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/memstick/host/r592.c | 12 ++++++++----
>  1 file changed, 8 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c
> index dd3a1f3dcc19..d2ef46337191 100644
> --- a/drivers/memstick/host/r592.c
> +++ b/drivers/memstick/host/r592.c
> @@ -759,8 +759,10 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>                 goto error3;
>
>         dev->mmio = pci_ioremap_bar(pdev, 0);
> -       if (!dev->mmio)
> +       if (!dev->mmio) {
> +               error = -ENOMEM;
>                 goto error4;
> +       }
>
>         dev->irq = pdev->irq;
>         spin_lock_init(&dev->irq_lock);
> @@ -786,12 +788,14 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id)
>                 &dev->dummy_dma_page_physical_address, GFP_KERNEL);
>         r592_stop_dma(dev , 0);
>
> -       if (request_irq(dev->irq, &r592_irq, IRQF_SHARED,
> -                         DRV_NAME, dev))
> +       error = request_irq(dev->irq, &r592_irq, IRQF_SHARED,
> +                         DRV_NAME, dev);
> +       if (error)
>                 goto error6;
>
>         r592_update_card_detect(dev);
> -       if (memstick_add_host(host))
> +       error = memstick_add_host(host);
> +       if (error)
>                 goto error7;
>
>         message("driver successfully loaded");
> --
> 2.22.0
>