scsi: scsi_error: Do not retry illegal function error

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

[mkp: s/invalid/illegal/]

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 3894205..5086489 100644 (file)
--- 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);