On 16 October 2018 at 10:19, Chunyan Zhang <[email protected]> wrote:
> The driver should clean resources requested in the function before
> unnormal return.
>
> CC: Linus Walleij <[email protected]>
> Signed-off-by: Chunyan Zhang <[email protected]>
> Fixes: bd9b902798ab ("mmc: sdhci: Implement an SDHCI-specific bounce buffer")
> ---
>  drivers/mmc/host/sdhci.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 1b3fbd9..f6b57e1 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -3991,7 +3991,7 @@ int sdhci_setup_host(struct sdhci_host *host)
>                 /* This may alter mmc->*_blk_* parameters */
>                 ret = sdhci_allocate_bounce_buffer(host);
>                 if (ret)
> -                       return ret;
> +                       goto unreg;

Instead of making the error path a bit more complicated, I suggest to
convert sdhci_allocate_bounce_buffer() from returning an int to a
void. Simply because it always returns 0 and thus we can remove this
error path altogether.

>         }
>
>         return 0;
> --
> 2.7.4
>

Kind regards
Uffe

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