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* [PATCH] scsi: Do not retry invalid function error
@ 2017-10-17  7:10 Hannes Reinecke
  2017-10-18  2:48 ` Martin K. Petersen
  0 siblings, 1 reply; 2+ messages in thread
From: Hannes Reinecke @ 2017-10-17  7:10 UTC (permalink / raw)
  To: Martin K. Petersen
  Cc: Christoph Hellwig, James Bottomley, linux-scsi, Hannes Reinecke

Hitachi USP-V returns 'Invalid function' when the internal
staging mechanism encountered an error. These errors should
not be retried on another path.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/scsi/scsi_error.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 3894205..5086489 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -579,6 +579,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd)
 	case ILLEGAL_REQUEST:
 		if (sshdr.asc == 0x20 || /* Invalid command operation code */
 		    sshdr.asc == 0x21 || /* Logical block address out of range */
+		    sshdr.asc == 0x22 || /* Invalid function */
 		    sshdr.asc == 0x24 || /* Invalid field in cdb */
 		    sshdr.asc == 0x26) { /* Parameter value invalid */
 			set_host_byte(scmd, DID_TARGET_FAILURE);
-- 
1.8.5.6

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

* Re: [PATCH] scsi: Do not retry invalid function error
  2017-10-17  7:10 [PATCH] scsi: Do not retry invalid function error Hannes Reinecke
@ 2017-10-18  2:48 ` Martin K. Petersen
  0 siblings, 0 replies; 2+ messages in thread
From: Martin K. Petersen @ 2017-10-18  2:48 UTC (permalink / raw)
  To: Hannes Reinecke
  Cc: Martin K. Petersen, Christoph Hellwig, James Bottomley,
	linux-scsi


Hannes,

> Hitachi USP-V returns 'Invalid function' when the internal staging
> mechanism encountered an error. These errors should not be retried on
> another path.

s/invalid/illegal/

Applied to 4.15/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering

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

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