Re: [PATCH 1/4] cpu: clean up register_cpu func

[Alex Shi]

Hi,

Is there any concern on this patch?

Regards
Alex

On 08/25/2016 04:42 PM, Alex Shi wrote:
> This patch could reduce one branch in this function. Also
> make the code more readble.
> 
> Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxx>
> Acked-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> To: linux-kernel@xxxxxxxxxxxxxxx
> To: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-pm@xxxxxxxxxxxxxxx
> Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> ---
>  drivers/base/cpu.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
> index 691eeea..4c28e1a 100644
> --- a/drivers/base/cpu.c
> +++ b/drivers/base/cpu.c
> @@ -371,12 +371,13 @@ int register_cpu(struct cpu *cpu, int num)
>  	if (cpu->hotpluggable)
>  		cpu->dev.groups = hotplugable_cpu_attr_groups;
>  	error = device_register(&cpu->dev);
> -	if (!error)
> -		per_cpu(cpu_sys_devices, num) = &cpu->dev;
> -	if (!error)
> -		register_cpu_under_node(num, cpu_to_node(num));
> +	if (error)
> +		return error;
>  
> -	return error;
> +	per_cpu(cpu_sys_devices, num) = &cpu->dev;
> +	register_cpu_under_node(num, cpu_to_node(num));
> +
> +	return 0;
>  }
>  
>  struct device *get_cpu_device(unsigned cpu)
>