[U-Boot] [PATCH] cmd: replace the cast of the memory access to a fixed bit type in itest
Stefan Roese
sr at denx.de
Wed May 4 07:22:35 CEST 2016
On 04.05.2016 07:20, Masahiro Yamada wrote:
> From: Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
>
> This patch fixes a bug that long word(.l) memory access in 'itest'
> command reads the 8bytes of the actual memory on 64-bit architecture.
> The cast to the memory pointer should use a fixed bit type.
>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko at socionext.com>
> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> ---
>
> cmd/itest.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/cmd/itest.c b/cmd/itest.c
> index fb4d797..60626c7 100644
> --- a/cmd/itest.c
> +++ b/cmd/itest.c
> @@ -65,13 +65,13 @@ static long evalexp(char *s, int w)
> }
> switch (w) {
> case 1:
> - l = (long)(*(unsigned char *)buf);
> + l = (long)(*(u8 *)buf);
> break;
> case 2:
> - l = (long)(*(unsigned short *)buf);
> + l = (long)(*(u16 *)buf);
> break;
> case 4:
> - l = (long)(*(unsigned long *)buf);
> + l = (long)(*(u32 *)buf);
> break;
> }
> unmap_physmem(buf, w);
>
Reviewed-by: Stefan Roese <sr at denx.de>
Thanks,
Stefan
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