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* [PATCH] scsi/3w-9xxx: Avoid disabling device if failing to enable it
@ 2022-08-29 11:01 Letu Ren
  2022-09-07  2:22 ` Martin K. Petersen
  0 siblings, 1 reply; 2+ messages in thread
From: Letu Ren @ 2022-08-29 11:01 UTC (permalink / raw)
  To: aradford, jejb, martin.petersen
  Cc: linux-scsi, linux-kernel, Letu Ren, Zheyu Ma

The original code will goto out_disable_device and `pci_disable_device`
if `pci_enable_device` fails. Kernel will generate a warning message
"3w-9xxx 0000:00:05.0: disabling already-disabled device". We shouldn't
disable a failed to enable device. A simple return is fine.

Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Letu Ren <fantasquex@gmail.com>
---
 drivers/scsi/3w-9xxx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index cd823ff5deab..6cb9cca9565b 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -2006,7 +2006,7 @@ static int twa_probe(struct pci_dev *pdev, const struct pci_device_id *dev_id)
 	retval = pci_enable_device(pdev);
 	if (retval) {
 		TW_PRINTK(host, TW_DRIVER, 0x34, "Failed to enable pci device");
-		goto out_disable_device;
+		return -ENODEV;
 	}
 
 	pci_set_master(pdev);
-- 
2.37.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] scsi/3w-9xxx: Avoid disabling device if failing to enable it
  2022-08-29 11:01 [PATCH] scsi/3w-9xxx: Avoid disabling device if failing to enable it Letu Ren
@ 2022-09-07  2:22 ` Martin K. Petersen
  0 siblings, 0 replies; 2+ messages in thread
From: Martin K. Petersen @ 2022-09-07  2:22 UTC (permalink / raw)
  To: Letu Ren
  Cc: aradford, jejb, martin.petersen, linux-scsi, linux-kernel, Zheyu Ma


Letu,

> The original code will goto out_disable_device and
> `pci_disable_device` if `pci_enable_device` fails. Kernel will
> generate a warning message "3w-9xxx 0000:00:05.0: disabling
> already-disabled device". We shouldn't disable a failed to enable
> device. A simple return is fine.

Applied to 6.1/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2022-08-29 11:01 [PATCH] scsi/3w-9xxx: Avoid disabling device if failing to enable it Letu Ren
2022-09-07  2:22 ` Martin K. Petersen

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