[PATCH v2 3/9] ipr: Get rid of superfluous call to pci_disable_msi/msix()

From: Alexander Gordeev
Date: Fri Jan 17 2014 - 11:00:52 EST


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@xxxxxxxxxx>
---
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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