Re: [PATCH] arch/riscv/kernel: remove redundant err variable

[Palmer Dabbelt]

On Wed, 12 Jan 2022 00:27:29 PST (-0800), cgel.zte@xxxxxxxxx wrote:
> From: Minghao Chi <chi.minghao@xxxxxxxxxx>
>
> Return value from user_regset_copyin() directly instead
> of taking this in another redundant variable.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
> Signed-off-by: CGEL ZTE <cgel.zte@xxxxxxxxx>
> ---
>  arch/riscv/kernel/ptrace.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
> index 9c0511119bad..a89243730153 100644
> --- a/arch/riscv/kernel/ptrace.c
> +++ b/arch/riscv/kernel/ptrace.c
> @@ -42,12 +42,10 @@ static int riscv_gpr_set(struct task_struct *target,
>  			 unsigned int pos, unsigned int count,
>  			 const void *kbuf, const void __user *ubuf)
>  {
> -	int ret;
>  	struct pt_regs *regs;
>
>  	regs = task_pt_regs(target);
> -	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
> -	return ret;
> +	return user_regset_copyin(&pos, &count, &kbuf, &ubuf, regs, 0, -1);
>  }
>
>  #ifdef CONFIG_FPU

Thanks, this is on for-next.