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gdrom: add dummy audio_ioctl handler

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Make sure audio_ioctl is always defined even if being a dummy function
since the cdrom_ioctl interface assumes its existence and we don't
want to BUG on null ptr on some ioctls like, e.g. CDROMREADTOCENTRY,
CDROMREADTOCHDR etc. when we fix CDC_PLAY_AUDIO checking in cdrom.c.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Borislav Petkov 2008-08-18 21:40:04 +02:00 committed by Bartlomiej Zolnierkiewicz
parent 3e636f78e5
commit d15cad5df1
1 changed files with 7 additions and 0 deletions
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7
drivers/cdrom/gdrom.c
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@ -471,6 +471,12 @@ cleanup_sense_final:
return err;
}
static int gdrom_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd,
void *arg)
{
return -EINVAL;
}
static struct cdrom_device_ops gdrom_ops = {
.open = gdrom_open,
.release = gdrom_release,
@ -478,6 +484,7 @@ static struct cdrom_device_ops gdrom_ops = {
.media_changed = gdrom_mediachanged,
.get_last_session = gdrom_get_last_session,
.reset = gdrom_hardreset,
.audio_ioctl = gdrom_audio_ioctl,
.capability = CDC_MULTI_SESSION | CDC_MEDIA_CHANGED |
CDC_RESET | CDC_DRIVE_STATUS | CDC_CD_R,
.n_minors = 1,