[U-Boot] mmc: fix check of returned value of sd_read_ssr function

[Jaehoon Chung]

On 04/09/2018 06:36 PM, Guillaume GARDET wrote:
> sd_read_ssr returns 0 if it succeed.
> 
> Signed-off-by: Guillaume GARDET <guillaume.gardet at free.fr>
> Cc: Jaehoon Chung <jh80.chung at samsung.com>

Applied to u-boot-mmc. Thanks!

Best Regards,
Jaehoon Chung

> ---
>  drivers/mmc/mmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index c930893300..92ea78b8af 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -1689,7 +1689,7 @@ static int sd_select_mode_and_width(struct mmc *mmc, uint card_caps)
>  
>  #if CONFIG_IS_ENABLED(MMC_WRITE)
>  				err = sd_read_ssr(mmc);
> -				if (!err)
> +				if (err)
>  					pr_warn("unable to read ssr\n");
>  #endif
>  				if (!err)
>