Messages in this thread Patch in this message | | | From | David Martin <> | Subject | [PATCH] SCSI not showing tray status correctly | Date | Mon, 27 Dec 2004 06:26:32 +0100 |
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When trying to get the drive status via ioctl CDROM_DRIVE_STATUS, with no disk it gives CDS_TRAY_OPEN even if the tray is closed.
ioctl works as expected with ide-cd driver. Here is the patch to get the same behaviour on SCSI drives for kernel 2.6.10. 2.4 branch have same problem.
--- linux-2.6.10-orig/drivers/scsi/sr_ioctl.c 2004-12-27 04:47:22.000000000 +0100 +++ linux-2.6.10/drivers/scsi/sr_ioctl.c 2004-12-27 05:54:08.000000000 +0100 @@ -216,14 +216,20 @@
int sr_drive_status(struct cdrom_device_info *cdi, int slot) { + struct media_event_desc med; + if (CDSL_CURRENT != slot) { /* we have no changer support */ return -EINVAL; } + if (0 == test_unit_ready(cdi->handle)) return CDS_DISC_OK;
- return CDS_TRAY_OPEN; + if (!cdrom_get_media_event(cdi, &med) && med.door_open) + return CDS_TRAY_OPEN; + + return CDS_NO_DISC; }
int sr_disk_status(struct cdrom_device_info *cdi) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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