> -----Original Message-----
> From: [email protected] [mailto:linux-scsi-
> [email protected]] On Behalf Of Hannes Reinecke
> Sent: Thursday, May 08, 2014 1:10 AM
> To: James Bottomley
> Cc: [email protected]; Hannes Reinecke; Stephen Cameron
> Subject: [PATCH] Set correct completion code in scsi_send_eh_cmnd()
> 
> ->queuecommand returns '0' for successful command submission,
> so we need to set the correct SCSI midlayer return value
> when calling scsi_log_completion().
> 
> Reported-by: Robert Elliott <[email protected]>
> Cc: Stephen Cameron <[email protected]>
> Signed-off-by: Hannes Reinecke <[email protected]>
> ---
>  drivers/scsi/scsi_error.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
> index f17aa7a..f4e0cad 100644
> --- a/drivers/scsi/scsi_error.c
> +++ b/drivers/scsi/scsi_error.c
> @@ -1029,6 +1029,7 @@ retry:
>               rtn = NEEDS_RETRY;
>       } else {
>               timeleft = wait_for_completion_timeout(&done, timeout);
> +             rtn = SUCCESS;
>       }
> 
>       shost->eh_action = NULL;
> --
> 1.7.12.4

I've confirmed that patch successfully gets rid of bogus reporting 
of "UNKNOWN" for successfully submitted commands from that 
function, correcting the use of "internal return values" vs.
"midlayer return values."

 [ 5454.381659] sd 2:0:0:1: [sds] scsi_eh_2: requesting sense
[ 5454.383597] scsi_eh_done scmd: ffff880428963a70 result: 0
[ 5454.385457] sd 2:0:0:1: [sds] Done: UNKNOWN
[ 5454.387430] sd 2:0:0:1: [sds] Result: hostbyte=DID_OK driverbyte=DRIVER_OK

Tested-by: Robert Elliott <[email protected]>


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