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scsi: NCR5380: Use DRIVER_SENSE to indicate valid sense data 

When sense data is valid, call set_driver_byte(cmd, DRIVER_SENSE).  Otherwise
some callers of scsi_execute() will ignore sense data.  Don't set DID_ERROR or
DID_RESET just because sense data is missing.

Tested-by: Michael Schmitz <schmitzmic@gmail.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Finn Thain 2018-09-27 11:17:11 +10:00 committed by Martin K. Petersen
parent 7c8ed783c2
commit 0703565139
1 changed files with 4 additions and 5 deletions
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9
drivers/scsi/NCR5380.c
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@ -513,11 +513,12 @@ static void complete_cmd(struct Scsi_Host *instance,
if (hostdata->sensing == cmd) {
/* Autosense processing ends here */
if ((cmd->result & 0xff) != SAM_STAT_GOOD) {
if (status_byte(cmd->result) != GOOD) {
scsi_eh_restore_cmnd(cmd, &hostdata->ses);
set_host_byte(cmd, DID_ERROR);
} else
} else {
scsi_eh_restore_cmnd(cmd, &hostdata->ses);
set_driver_byte(cmd, DRIVER_SENSE);
}
hostdata->sensing = NULL;
}
@ -2273,7 +2274,6 @@ static int NCR5380_abort(struct scsi_cmnd *cmd)
if (list_del_cmd(&hostdata->autosense, cmd)) {
dsprintk(NDEBUG_ABORT, instance,
"abort: removed %p from sense queue\n", cmd);
set_host_byte(cmd, DID_ERROR);
complete_cmd(instance, cmd);
}
@ -2352,7 +2352,6 @@ static int NCR5380_host_reset(struct scsi_cmnd *cmd)
list_for_each_entry(ncmd, &hostdata->autosense, list) {
struct scsi_cmnd *cmd = NCR5380_to_scmd(ncmd);
set_host_byte(cmd, DID_RESET);
cmd->scsi_done(cmd);
}
INIT_LIST_HEAD(&hostdata->autosense);