[U-Boot] [PATCH 2/2] dfu:usb:fix: Read the "filesize" environment variable only when file read

[Marek Vasut <marek.vasut@gmail.com>]

Dear Lukasz Majewski,

> The "filesize" environment variable shall be read only when relevant
> file is read.
> 
> Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

Reviewed-by: Marek Vasut <marex@denx.de>

> ---
>  drivers/dfu/dfu_mmc.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
> index 2270a61..5d504df 100644
> --- a/drivers/dfu/dfu_mmc.c
> +++ b/drivers/dfu/dfu_mmc.c
> @@ -89,7 +89,7 @@ static int mmc_file_op(enum dfu_mmc_op op, struct
> dfu_entity *dfu, return ret;
>  	}
> 
> -	if (dfu->layout != DFU_RAW_ADDR) {
> +	if (dfu->layout != DFU_RAW_ADDR && op == DFU_OP_READ) {
>  		str_env = getenv("filesize");
>  		if (str_env == NULL) {
>  			puts("dfu: Wrong file size!\n");

Best regards,
Marek Vasut