Re: [usb-storage] BUG: SCSI: usb storage SDHC card doesn't work in 2.6.27-rc1

Pete Zaitcev
2008-07-30T21:12:48Z

On Wed, 30 Jul 2008 17:00:10 -0400 (EDT), Alan Stern <stern@rowland.harvard.edu> wrote:

> +++ 2.6.26/drivers/usb/storage/transport.c
> @@ -1034,8 +1034,21 @@ int usb_stor_Bulk_transport(struct scsi_
> + /* Heuristically detect devices that generate bogus residues
> + * by seeing what happens with INQUIRY and READ CAPACITY
> + * commands.
> + */
> + if (bcs->Status == US_BULK_STAT_OK &&
> + scsi_get_resid(srb) == 0 &&
> + ((srb->cmnd[0] == INQUIRY &&
> + transfer_length == 36) ||
> + (srb->cmnd[0] == READ_CAPACITY &&
> + transfer_length == 8))) {
> + us->flags |= US_FL_IGNORE_RESIDUE;

Why do you do this for INQUIRY and READ_CAPACITY only?
Why not do it for any command?

-- Pete