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Re: [PATCH v2 06/17] xen/cpupool: use ERR_PTR() for returning error cause from cpupool_create()



On 01.12.2020 09:21, Juergen Gross wrote:
> Instead of a pointer to an error variable as parameter just use
> ERR_PTR() to return the cause of an error in cpupool_create().
> 
> This propagates to scheduler_alloc(), too.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
with one small question:

> --- a/xen/common/sched/core.c
> +++ b/xen/common/sched/core.c
> @@ -3233,26 +3233,25 @@ struct scheduler *scheduler_get_default(void)
>      return &ops;
>  }
>  
> -struct scheduler *scheduler_alloc(unsigned int sched_id, int *perr)
> +struct scheduler *scheduler_alloc(unsigned int sched_id)
>  {
>      int i;
> +    int ret;

I guess you didn't merge this with i's declaration because of a
plan/hope for i to be converted to unsigned int?

Jan



 


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