ide-cd: remove dead dsc_overlap setting
dsc_overlap setting is not useful anymore for ide-cd so remove
"dsc_overlap" /proc setting, disallow changing the setting through
HDIO_SET_NICE ioctl and cleanup ide_cd{rom_setup,_release}().
Cc: Borislav Petkov <petkovbb@googlemail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index ea35e94..5daa4dd 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1831,13 +1831,6 @@
{ NULL, 0, NULL, NULL }
};
-ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP);
-
-static const struct ide_proc_devset idecd_settings[] = {
- IDE_PROC_DEVSET(dsc_overlap, 0, 1),
- { 0 },
-};
-
static ide_proc_entry_t *ide_cd_proc_entries(ide_drive_t *drive)
{
return idecd_proc;
@@ -1845,7 +1838,7 @@
static const struct ide_proc_devset *ide_cd_proc_devsets(ide_drive_t *drive)
{
- return idecd_settings;
+ return NULL;
}
#endif
@@ -1945,11 +1938,6 @@
/* set correct block size */
blk_queue_hardsect_size(drive->queue, CD_FRAMESIZE);
- if (drive->next != drive)
- drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
- else
- drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
-
if (ide_cdrom_register(drive, nslots)) {
printk(KERN_ERR PFX "%s: %s failed to register device with the"
" cdrom driver.\n", drive->name, __func__);
@@ -1986,7 +1974,6 @@
kfree(info->toc);
if (devinfo->handle == drive)
unregister_cdrom(devinfo);
- drive->dev_flags &= ~IDE_DFLAG_DSC_OVERLAP;
drive->driver_data = NULL;
blk_queue_prep_rq(drive->queue, NULL);
g->private_data = NULL;
diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c
index f903476..28232c6 100644
--- a/drivers/ide/ide-ioctls.c
+++ b/drivers/ide/ide-ioctls.c
@@ -95,7 +95,7 @@
return -EPERM;
if (((arg >> IDE_NICE_DSC_OVERLAP) & 1) &&
- (drive->media == ide_disk || drive->media == ide_floppy ||
+ (drive->media != ide_tape ||
(drive->dev_flags & IDE_DFLAG_SCSI)))
return -EPERM;