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

[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
......@@ -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;
}
/**
......
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