Re: [PATCH] cpu: microcode: Add comma to 0

From: Ingo Molnar
Date: Wed Nov 27 2019 - 01:55:05 EST



* Jules Irenge <jbi.octave@xxxxxxxxx> wrote:

> Add "," after 0
> Because memory for the struct is being cleared
> and elements after "," are missing on purpose
> as they are being cleared to
>
> Recommended by Boris Petkov
>
> Signed-off-by: Jules Irenge <jbi.octave@xxxxxxxxx>
> ---
> arch/x86/kernel/cpu/microcode/amd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
> index a0e52bd00ecc..04ee649f4acb 100644
> --- a/arch/x86/kernel/cpu/microcode/amd.c
> +++ b/arch/x86/kernel/cpu/microcode/amd.c
> @@ -418,7 +418,7 @@ static int __apply_microcode_amd(struct microcode_amd *mc)
> static bool
> apply_microcode_early_amd(u32 cpuid_1_eax, void *ucode, size_t size, bool save_patch)
> {
> - struct cont_desc desc = { 0 };
> + struct cont_desc desc = { 0, };

This is 100% unnecessary - " = { }" is enough of a structure initializer.

Thanks,

Ingo