linux-kernel - [PATCH v2 RESEND 17/23] pm8001: Fix invalid return when request

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Message-Id: <9b683169555723c3b38d523923d1e8f809de9493.1397461652.git.agordeev@redhat.com>
Date:	Mon, 14 Apr 2014 10:05:41 +0200
From:	Alexander Gordeev <agordeev@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Gordeev <agordeev@...hat.com>, xjtuwjp@...il.com,
	lindar_liu@...sh.com, linux-scsi@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: [PATCH v2 RESEND 17/23] pm8001: Fix invalid return when request_irq() failed

When a call to request_irq() failed pm8001_setup_msix()
still returns the 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
Acked-by: Jack Wang <xjtuwjp@...il.com>
---
 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 c4f31b21..df421f5 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -740,9 +740,10 @@ 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,
-- 
1.7.7.6

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