The isd200 sub-driver increments the command serial number despite not using it at all in it's routine for sending internal scsi commands. Remove the increment to prepare for removing the serial_number field. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Index: linux-2.6/drivers/usb/storage/isd200.c =================================================================== --- linux-2.6.orig/drivers/usb/storage/isd200.c 2011-04-02 07:34:20.983235059 -0700 +++ linux-2.6/drivers/usb/storage/isd200.c 2011-04-02 07:34:27.907237105 -0700 @@ -499,7 +499,6 @@ static int isd200_action( struct us_data memset(&ata, 0, sizeof(ata)); srb->cmnd = info->cmnd; srb->device = &srb_dev; - ++srb->serial_number; ata.generic.SignatureByte0 = info->ConfigData.ATAMajorCommand; ata.generic.SignatureByte1 = info->ConfigData.ATAMinorCommand; -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html