Re: [PATCH] cpuset: fix return value of cpuset_populate()

[Li Zefan <lizf@cn.fujitsu.com>]

Paul Jackson wrote:
> [Resending a patch that Li Zefan just sent, adding the other Paul (Menage)
>  to the CC list.  -pj]
> 

Thanks, I should have CCed Menage. :)

> - no need to check err == 0
> - the last return value of cgroup_add_file() is ignored
> 
> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
> ---
>  kernel/cpuset.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/cpuset.c b/kernel/cpuset.c
> index 3e296ed..1c5b2d2 100644
> --- a/kernel/cpuset.c
> +++ b/kernel/cpuset.c
> @@ -1482,10 +1482,10 @@ static int cpuset_populate(struct cgroup_subsys *ss, struct cgroup *cont)
>  	if ((err = cgroup_add_file(cont, ss, &cft_spread_slab)) < 0)
>  		return err;
>  	/* memory_pressure_enabled is in root cpuset only */
> -	if (err == 0 && !cont->parent)
> +	if (!cont->parent)
>  		err = cgroup_add_file(cont, ss,
>  					 &cft_memory_pressure_enabled);
> -	return 0;
> +	return err;
>  }
>  
>  /*