[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 56662ae03dea65adad90665acc1e55690a192fea..b9276d10b25c2e277c05e1b6e48e196a11b38fa4 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;
        }