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be2iscsi : Fix the PCI request region reserving.

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Reserve device PCI I/O and Memory resources.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
John Soni Jose 2015-04-25 08:17:19 +05:30 committed by James Bottomley
parent 3efde86222
commit e307f3ac12
1 changed files with 18 additions and 4 deletions
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22
drivers/scsi/be2iscsi/be_main.c
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@ -668,14 +668,20 @@ static int beiscsi_enable_pci(struct pci_dev *pcidev)
return ret;
}
ret = pci_request_regions(pcidev, DRV_NAME);
if (ret) {
dev_err(&pcidev->dev,
"beiscsi_enable_pci - request region failed\n");
goto pci_dev_disable;
}
pci_set_master(pcidev);
ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
if (ret) {
ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
if (ret) {
dev_err(&pcidev->dev, "Could not set PCI DMA Mask\n");
pci_disable_device(pcidev);
return ret;
goto pci_region_release;
} else {
ret = pci_set_consistent_dma_mask(pcidev,
DMA_BIT_MASK(32));
@ -684,11 +690,17 @@ static int beiscsi_enable_pci(struct pci_dev *pcidev)
ret = pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64));
if (ret) {
dev_err(&pcidev->dev, "Could not set PCI DMA Mask\n");
pci_disable_device(pcidev);
return ret;
goto pci_region_release;
}
}
return 0;
pci_region_release:
pci_release_regions(pcidev);
pci_dev_disable:
pci_disable_device(pcidev);
return ret;
}
static int be_ctrl_init(struct beiscsi_hba *phba, struct pci_dev *pdev)
@ -5275,6 +5287,7 @@ static void beiscsi_remove(struct pci_dev *pcidev)
iscsi_host_free(phba->shost);
pci_disable_pcie_error_reporting(pcidev);
pci_set_drvdata(pcidev, NULL);
pci_release_regions(pcidev);
pci_disable_device(pcidev);
}
@ -5755,6 +5768,7 @@ hba_free:
iscsi_host_free(phba->shost);
pci_set_drvdata(pcidev, NULL);
disable_pci:
pci_release_regions(pcidev);
pci_disable_device(pcidev);
return ret;
}