Re: [PATCH] mmc: usdhi6rol0: Fix a resource leak in the error handling path of the probe

From: Ulf Hansson
Date: Mon Jan 11 2021 - 13:07:31 EST


On Thu, 17 Dec 2020 at 22:09, Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> A call to 'ausdhi6_dma_release()' to undo a previous call to
> 'usdhi6_dma_request()' is missing in the error handling path of the probe
> function.
>
> It is already present in the remove function.
>
> Fixes: 75fa9ea6e3c0 ("mmc: add a driver for the Renesas usdhi6rol0 SD/SDIO host controller")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe


> ---
> drivers/mmc/host/usdhi6rol0.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
> index e2d5112d809d..615f3d008af1 100644
> --- a/drivers/mmc/host/usdhi6rol0.c
> +++ b/drivers/mmc/host/usdhi6rol0.c
> @@ -1858,10 +1858,12 @@ static int usdhi6_probe(struct platform_device *pdev)
>
> ret = mmc_add_host(mmc);
> if (ret < 0)
> - goto e_clk_off;
> + goto e_release_dma;
>
> return 0;
>
> +e_release_dma:
> + usdhi6_dma_release(host);
> e_clk_off:
> clk_disable_unprepare(host->clk);
> e_free_mmc:
> --
> 2.27.0
>