Hi Simon,

On Mon, Feb 15, 2016 at 10:16 AM, Simon Glass <s...@chromium.org> wrote:
> The comment for file_cbfs_type() says that it returns 0 for an invalid type.
> The code appears to check for -1, except that it uses an unsigned variable
> to store the type. This results in a warning on 64-bit machines.
>
> Adjust it to make the meaning clearer. Continue to handle the -1 case since
> it may be needed.
>
> Signed-off-by: Simon Glass <s...@chromium.org>
> ---
>
>  cmd/cbfs.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/cmd/cbfs.c b/cmd/cbfs.c
> index 35d8a7a..cdfc9b6 100644
> --- a/cmd/cbfs.c
> +++ b/cmd/cbfs.c
> @@ -103,7 +103,7 @@ int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char 
> *const argv[])
>         printf("     size              type  name\n");
>         printf("------------------------------------------\n");
>         while (file) {
> -               u32 type = file_cbfs_type(file);
> +               int type = file_cbfs_type(file);

but file_cbfs_type() returns u32 as its type..

>                 char *type_name = NULL;
>                 const char *filename = file_cbfs_name(file);
>
> @@ -140,7 +140,7 @@ int do_cbfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char 
> *const argv[])
>                 case CBFS_COMPONENT_CMOS_LAYOUT:
>                         type_name = "cmos layout";
>                         break;
> -               case -1UL:
> +               case -1:

What about: case (u32)-1UL:

>                         type_name = "null";
>                         break;
>                 }
> --

Regards,
Bin
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