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Commit fa990781 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by James Bottomley
Browse files

[SCSI] clean up scsi_times_out 



Make sure the control flow in scsi_times_out makes sense.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 327d0c7d

drivers/scsi/scsi_error.c

+6 −18
Original line number Diff line number Diff line
@@ -124,34 +124,22 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag) 
enum blk_eh_timer_return scsi_times_out(struct request *req)

{

	struct scsi_cmnd *scmd = req->special;

	enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *);

	enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED;



	scsi_log_completion(scmd, TIMEOUT_ERROR);



	if (scmd->device->host->transportt->eh_timed_out)

		eh_timed_out = scmd->device->host->transportt->eh_timed_out;

		rtn = scmd->device->host->transportt->eh_timed_out(scmd);

	else if (scmd->device->host->hostt->eh_timed_out)

		eh_timed_out = scmd->device->host->hostt->eh_timed_out;

	else

		eh_timed_out = NULL;

		rtn = scmd->device->host->hostt->eh_timed_out(scmd);



	if (eh_timed_out) {

		rtn = eh_timed_out(scmd);

		switch (rtn) {

		case BLK_EH_NOT_HANDLED:

			break;

		default:

			return rtn;

		}

	}



	if (unlikely(!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) {

	if (unlikely(rtn == BLK_EH_NOT_HANDLED &&

		     !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) {

		scmd->result |= DID_TIME_OUT << 16;

		return BLK_EH_HANDLED;

		rtn = BLK_EH_HANDLED;

	}



	return BLK_EH_NOT_HANDLED;

	return rtn;

}



/**