Re: [PATCH] mmc: block: propagate correct returned value in mmc_rpmb_ioctl

From: Ulf Hansson
Date: Mon May 21 2018 - 06:41:52 EST


On 16 May 2018 at 21:20, Mathieu Malaterre <malat@xxxxxxxxxx> wrote:
> In commit 97548575bef3 ("mmc: block: Convert RPMB to a character device") a
> new function `mmc_rpmb_ioctl` was added. The final return is simply
> returning a value of `0` instead of propagating the correct return code.
>
> Discovered during a compilation with W=1, silence the following gcc warning
>
> drivers/mmc/core/block.c:2470:6: warning: variable âretâ set but not used [-Wunused-but-set-variable]
>
> Signed-off-by: Mathieu Malaterre <malat@xxxxxxxxxx>

Thanks, applied for fixes and by adding a stable tag!

Kind regards
Uffe

> ---
> drivers/mmc/core/block.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
> index 9e923cd1d80e..38a7586b00cc 100644
> --- a/drivers/mmc/core/block.c
> +++ b/drivers/mmc/core/block.c
> @@ -2485,7 +2485,7 @@ static long mmc_rpmb_ioctl(struct file *filp, unsigned int cmd,
> break;
> }
>
> - return 0;
> + return ret;
> }
>
> #ifdef CONFIG_COMPAT
> --
> 2.11.0
>