gdrom: add dummy audio_ioctl handler
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>
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 1e0455b..1231d95 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -471,6 +471,12 @@
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 @@
.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,
