linux-kernel - [PATCH RFC v2 13/29] ipr: Do not call pci_disable_msi/msix() if pci_enable

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Date:	Fri, 18 Oct 2013 19:12:13 +0200
From:	Alexander Gordeev <agordeev@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Gordeev <agordeev@...hat.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Tejun Heo <tj@...nel.org>,
	Ben Hutchings <bhutchings@...arflare.com>,
	David Laight <David.Laight@...LAB.COM>,
	Mark Lord <kernel@...rt.ca>, "H. Peter Anvin" <hpa@...or.com>,
	linux-pci@...r.kernel.org
Subject: [PATCH RFC v2 13/29] ipr: Do not call pci_disable_msi/msix() if pci_enable_msi/msix() failed

Signed-off-by: Alexander Gordeev <agordeev@...hat.com>
---
 drivers/scsi/ipr.c |    8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 36ac1c3..fb57e21 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -9255,10 +9255,8 @@ static int ipr_enable_msix(struct ipr_ioa_cfg *ioa_cfg)
 	while ((err = pci_enable_msix(ioa_cfg->pdev, entries, vectors)) > 0)
 			vectors = err;
 
-	if (err < 0) {
-		pci_disable_msix(ioa_cfg->pdev);
+	if (err < 0)
 		return err;
-	}
 
 	if (!err) {
 		for (i = 0; i < vectors; i++)
@@ -9278,10 +9276,8 @@ static int ipr_enable_msi(struct ipr_ioa_cfg *ioa_cfg)
 	while ((err = pci_enable_msi_block(ioa_cfg->pdev, vectors)) > 0)
 			vectors = err;
 
-	if (err < 0) {
-		pci_disable_msi(ioa_cfg->pdev);
+	if (err < 0)
 		return err;
-	}
 
 	if (!err) {
 		for (i = 0; i < vectors; i++)
-- 
1.7.7.6

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