scsi_error: set DID_TIME_OUT correctly

Any callbacks in scsi_timeout_out() might return BLK_EH_RESET_TIMER,
in which case we should leave the result alone and not set
DID_TIME_OUT, as the command didn't actually timeout.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>

diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 55ecf70..7e95791 100644 (file)
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -287,15 +287,15 @@ enum blk_eh_timer_return scsi_times_out(struct request *req)
        else if (host->hostt->eh_timed_out)
                rtn = host->hostt->eh_timed_out(scmd);
 
-       if (rtn == BLK_EH_NOT_HANDLED && !host->hostt->no_async_abort)
-               if (scsi_abort_command(scmd) == SUCCESS)
+       if (rtn == BLK_EH_NOT_HANDLED) {
+               if (!host->hostt->no_async_abort &&
+                   scsi_abort_command(scmd) == SUCCESS)
                        return BLK_EH_NOT_HANDLED;
 
-       set_host_byte(scmd, DID_TIME_OUT);
-
-       if (unlikely(rtn == BLK_EH_NOT_HANDLED &&
-                    !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD)))
-               rtn = BLK_EH_HANDLED;
+               set_host_byte(scmd, DID_TIME_OUT);
+               if (!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))
+                       rtn = BLK_EH_HANDLED;
+       }
 
        return rtn;
 }