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scsi: megaraid: disable device when probe failed after enabled device 

For pci device, need to disable device when probe failed after enabled
device.

Link: https://lore.kernel.org/r/1567818450-173315-1-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Chen 2019-09-07 09:07:30 +08:00 committed by Martin K. Petersen
parent 0ed8810276
commit 70054aa39a
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/megaraid.c
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@ -4183,11 +4183,11 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
*/
if (pdev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ &&
pdev->subsystem_device == 0xC000)
return -ENODEV;
goto out_disable_device;
/* Now check the magic signature byte */
pci_read_config_word(pdev, PCI_CONF_AMISIG, &magic);
if (magic != HBA_SIGNATURE_471 && magic != HBA_SIGNATURE)
return -ENODEV;
goto out_disable_device;
/* Ok it is probably a megaraid */
}