Re: [PATCH 1/1 linux-next] hpsa: remove set but unused variable rc

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On Wed, Oct 29, 2014 at 04:15:04PM +0100, Fabian Frederick wrote:
> Fix -Wunused-but-set-variable warning

you should also mention why you have left the call to irq_set_affinity_hint().
i am not sure , but it looks like irq_set_affinity_hint() is only checking if
the lock is available or not. It is just locking ,then if lock is successfull then
returning 0 or if lock fails then return -EINVAL, and unlocks before returnig.
not doing anything else.

thanks
sudip

> 
> Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
> ---
>  drivers/scsi/hpsa.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index cef5d49..34330e1 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -6619,11 +6619,11 @@ static void hpsa_free_cmd_pool(struct ctlr_info *h)
>  
>  static void hpsa_irq_affinity_hints(struct ctlr_info *h)
>  {
> -	int i, cpu, rc;
> +	int i, cpu;
>  
>  	cpu = cpumask_first(cpu_online_mask);
>  	for (i = 0; i < h->msix_vector; i++) {
> -		rc = irq_set_affinity_hint(h->intr[i], get_cpu_mask(cpu));
> +		irq_set_affinity_hint(h->intr[i], get_cpu_mask(cpu));
>  		cpu = cpumask_next(cpu, cpu_online_mask);
>  	}
>  }
> -- 
> 1.9.3
> 
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