Re: [PATCH] mmc: alcor: Fix a resource leak in an error handling path in 'alcor_pci_sdmmc_drv_probe()'

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On Sun, 26 Apr 2020 at 22:23, Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> If 'devm_request_threaded_irq()' fails, resources allocated by
> 'mmc_alloc_host()' must be freed.
>
> Fixes: c5413ad815a6 ("mmc: add new Alcor Micro Cardreader SD/MMC driver")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Applied for fixes, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/alcor.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/alcor.c b/drivers/mmc/host/alcor.c
> index 1aee485d56d4..026ca9194ce5 100644
> --- a/drivers/mmc/host/alcor.c
> +++ b/drivers/mmc/host/alcor.c
> @@ -1104,7 +1104,7 @@ static int alcor_pci_sdmmc_drv_probe(struct platform_device *pdev)
>
>         if (ret) {
>                 dev_err(&pdev->dev, "Failed to get irq for data line\n");
> -               return ret;
> +               goto free_host;
>         }
>
>         mutex_init(&host->cmd_mutex);
> @@ -1116,6 +1116,10 @@ static int alcor_pci_sdmmc_drv_probe(struct platform_device *pdev)
>         dev_set_drvdata(&pdev->dev, host);
>         mmc_add_host(mmc);
>         return 0;
> +
> +free_host:
> +       mmc_free_host(mmc);
> +       return ret;
>  }
>
>  static int alcor_pci_sdmmc_drv_remove(struct platform_device *pdev)
> --
> 2.25.1
>



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