linux-kernel - Re: [PATCH 16/22] pm8001: Fix invalid success return when request

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Date:	Tue, 04 Feb 2014 13:01:07 +0100
From:	Jack Wang <xjtuwjp@...il.com>
To:	Alexander Gordeev <agordeev@...hat.com>
CC:	linux-kernel@...r.kernel.org, lindar_liu@...sh.com,
	linux-scsi@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 16/22] pm8001: Fix invalid success return when request_irq()
 failed

On 02/04/2014 12:17 PM, Alexander Gordeev wrote:
> When enabling MSI-X if a call to request_irq() failed
> pm8001_setup_msix() still returns success. This udate
> fixes the described misbehaviour.
> 
> Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
> Cc: xjtuwjp@...il.com
> Cc: lindar_liu@...sh.com
> Cc: linux-scsi@...r.kernel.org
> Cc: linux-pci@...r.kernel.org
> ---
>  drivers/scsi/pm8001/pm8001_init.c |    5 +++--
>  1 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
> index 73a120d..efffbb9 100644
> --- a/drivers/scsi/pm8001/pm8001_init.c
> +++ b/drivers/scsi/pm8001/pm8001_init.c
> @@ -739,9 +739,10 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
>  			pm8001_ha->irq_vector[i].irq_id = i;
>  			pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
>  
> -			if (request_irq(pm8001_ha->msix_entries[i].vector,
> +			rc = request_irq(pm8001_ha->msix_entries[i].vector,
>  				pm8001_interrupt_handler_msix, flag,
> -				intr_drvname[i], &(pm8001_ha->irq_vector[i]))) {
> +				intr_drvname[i], &(pm8001_ha->irq_vector[i]));
> +			if (rc) {
>  				for (j = 0; j < i; j++)
>  					free_irq(
>  					pm8001_ha->msix_entries[j].vector,
> 
Thanks, looks fine.
Acked-by: Jack Wang <xjtuwjp@...il.com>
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