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[16/22] pm8001: Fix invalid success return when request_irq() failed

Message ID f724cdc95b9e1eb578cf7297ad32b830885f681c.1391512266.git.agordeev@redhat.com
State Changes Requested
Headers show

Commit Message

Alexander Gordeev Feb. 4, 2014, 11:17 a.m. UTC
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@redhat.com>
Cc: xjtuwjp@gmail.com
Cc: lindar_liu@usish.com
Cc: linux-scsi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
---
 drivers/scsi/pm8001/pm8001_init.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

Comments

Jack Wang Feb. 4, 2014, 12:01 p.m. UTC | #1
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@redhat.com>
> Cc: xjtuwjp@gmail.com
> Cc: lindar_liu@usish.com
> Cc: linux-scsi@vger.kernel.org
> Cc: linux-pci@vger.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@gmail.com>
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diff mbox

Patch

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,