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authorChristoph Hellwig <hch@lst.de>2008-11-05 15:03:15 +0100
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-01-02 10:51:44 -0600
commitfa9907810bf733ef48b0cd50023b03b78f983434 (patch)
tree93abfd78bf6a1807b4614e740018512a07bf9dba /drivers/scsi/scsi_error.c
parent327d0c7d89319a8ee8e946b90cb94c08daadb723 (diff)
[SCSI] clean up scsi_times_out
Make sure the control flow in scsi_times_out makes sense. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/scsi_error.c')
-rw-r--r--drivers/scsi/scsi_error.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 381838ebd460..7484e4317efb 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -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;
}
/**