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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/ide-ioctls.c b/drivers/ide/ide-ioctls.c
index f9034765aa18..28232c64c346 100644
--- a/drivers/ide/ide-ioctls.c
+++ b/drivers/ide/ide-ioctls.c
@@ -95,7 +95,7 @@ static int ide_set_nice_ioctl(ide_drive_t *drive, unsigned long arg)
                 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;