Re: [PATCH] LoongArch: Fix unsigned function returning negative constant

From: Huacai Chen
Date: Mon May 23 2022 - 23:04:37 EST


Hi, Haowen,

On Tue, May 24, 2022 at 10:47 AM Haowen Bai <baihaowen@xxxxxxxxx> wrote:
>
> The function set_virtual_map has an unsigned return type, but returns a
> negative constant to indicate an error condition. So we change unsigned
> to int.
Your patch is correct, but original hasn't been upstream, I don't
know how to handle it.

Huacai
>
> Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
> ---
> arch/loongarch/kernel/efi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/loongarch/kernel/efi.c b/arch/loongarch/kernel/efi.c
> index 69ebdd4220ec..f9fdeb1ae358 100644
> --- a/arch/loongarch/kernel/efi.c
> +++ b/arch/loongarch/kernel/efi.c
> @@ -102,7 +102,7 @@ static void __init fix_efi_mapping(void)
> * in @memory_map whose EFI_MEMORY_RUNTIME attribute is set. Those descriptors
> * are also copied to @runtime_map, and their total count is returned in @count.
> */
> -static unsigned int __init set_virtual_map(void)
> +static int __init set_virtual_map(void)
> {
> int count = 0;
> unsigned int size;
> --
> 2.7.4
>