[SCSI] 3w-xxxx: Create sense buffer for unsupported commands

Make the driver return appropriate sense data when an unsupported
operation is queued. This will cause the SCSI layer to stop issuing the
offending command.

Reported-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 56662ae..b9276d1 100644 (file)
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -216,6 +216,7 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_eh.h>
 #include "3w-xxxx.h"
 
 /* Globals */
@@ -2009,7 +2010,8 @@ static int tw_scsi_queue_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_c
                        printk(KERN_NOTICE "3w-xxxx: scsi%d: Unknown scsi opcode: 0x%x\n", tw_dev->host->host_no, *command);
                        tw_dev->state[request_id] = TW_S_COMPLETED;
                        tw_state_request_finish(tw_dev, request_id);
-                       SCpnt->result = (DID_BAD_TARGET << 16);
+                       SCpnt->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION;
+                       scsi_build_sense_buffer(1, SCpnt->sense_buffer, ILLEGAL_REQUEST, 0x20, 0);
                        done(SCpnt);
                        retval = 0;
        }