linux-kernel - [PATCH v2 3/9] ipr: Get rid of superfluous call to pci_disable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 17 Jan 2014 17:02:17 +0100
From:	Alexander Gordeev <agordeev@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Alexander Gordeev <agordeev@...hat.com>,
	Brian King <brking@...ibm.com>, linux-scsi@...r.kernel.org,
	kvm@...r.kernel.org, linux-pci@...r.kernel.org
Subject: [PATCH v2 3/9] ipr: Get rid of superfluous call to pci_disable_msi/msix()

There is no need to call pci_disable_msi() or pci_disable_msix()
in case the call to pci_enable_msi() or pci_enable_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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/