* [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
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