From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maarten Bressers Subject: [PATCH RESEND] SCSI not showing tray status correctly Date: Thu, 25 Oct 2007 22:30:37 +0000 (UTC) Message-ID: <20071025223037.C077D65309@smtp.gentoo.org> Return-path: Received: from smtp.gentoo.org ([140.211.166.183]:57792 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753344AbXJYWai (ORCPT ); Thu, 25 Oct 2007 18:30:38 -0400 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-scsi@vger.kernel.org, axboe@kernel.dk, James.Bottomley@SteelEye.com, tasio@tasio.net, dsd@gentoo.org From: David Martin Greetings, The following patch was submitted to the lkml in 2004 by David Martin (http://lkml.org/lkml/2004/12/27/1). It wasn't accepted, but I was unable to find a reason why, so I'm resending it now. Without this patch the SCSI ioctl CDROM_DRIVE_STATUS always returns CDS_TRAY_OPEN even if the tray is closed. This patch fixes that. Gentoo bug report: http://bugs.gentoo.org/show_bug.cgi?id=196879 Signed-off by: Maarten Bressers --- --- a/drivers/scsi/sr_ioctl.c 2007-10-09 22:31:38.000000000 +0200 +++ b/drivers/scsi/sr_ioctl.c 2007-10-25 22:57:21.000000000 +0200 @@ -310,6 +310,8 @@ int sr_lock_door(struct cdrom_device_inf 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; @@ -317,7 +319,10 @@ int sr_drive_status(struct cdrom_device_ 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)