Re: [PATCH] usb-storage: scsiglue: Changing the command result

From: Greg KH
Date: Sat Oct 26 2013 - 23:32:09 EST

On Sat, 26 Oct 2013, Vishal Annapurve wrote:
> Hi Alan,
> Here is the new patch:
> From: Vishal Annapurve <vannapurve@xxxxxxxxxx>
> Date: Sat, 26 Oct 2013 21:10:11 +0530
> Subject: [PATCH] usb: storage: Proper cmd result assignment
> This change replaces DID_ABORT with DID_TIMEOUT as a command result
> whenever US_FLIDX_TIMED_OUT bit is set.
> This change is made to bring USB storage inline with a recent change:
> commit 18a4d0a22ed6c54b67af7718c305cd010f09ddf8
> [SCSI] Handle disk devices which can not process medium access commands
> We have experienced several devices which fail in a fashion we do not
> currently handle gracefully in SCSI. After a failure these devices will
> respond to the SCSI primary command set (INQUIRY, TEST UNIT READY, etc.)
> but any command accessing the storage medium will time out.
> As the USB storage was setting command result as aborted rather than
> timed out, SCSI layer was not recognizing the above mentioned failure
> pattern.
> Change-Id: Ic58e2247fed11649f4dbea56382354ba2fe0be1b

What's this line for? (yeah, I know where it comes from, the point is
it doesn't belong here...)

Also, no signed-off-by, so I can't apply it...

greg k-h
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