From: Hans Verkuil <hverk...@xs4all.nl>

Modulator ioctls could be enabled mistakenly for non-radio devices.
Currently those ioctls are only valid for radio. Fix it.

Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
 drivers/media/v4l2-core/v4l2-dev.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-dev.c 
b/drivers/media/v4l2-core/v4l2-dev.c
index 84b2a84..db76b0a 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -562,6 +562,7 @@ static void determine_valid_ioctls(struct video_device 
*vdev)
        const struct v4l2_ioctl_ops *ops = vdev->ioctl_ops;
        bool is_vid = vdev->vfl_type == VFL_TYPE_GRABBER;
        bool is_vbi = vdev->vfl_type == VFL_TYPE_VBI;
+       bool is_radio = vdev->vfl_type == VFL_TYPE_RADIO;
        bool is_sdr = vdev->vfl_type == VFL_TYPE_SDR;
        bool is_rx = vdev->vfl_dir != VFL_DIR_TX;
        bool is_tx = vdev->vfl_dir != VFL_DIR_RX;
@@ -735,8 +736,8 @@ static void determine_valid_ioctls(struct video_device 
*vdev)
                SET_VALID_IOCTL(ops, VIDIOC_ENUM_DV_TIMINGS, 
vidioc_enum_dv_timings);
                SET_VALID_IOCTL(ops, VIDIOC_DV_TIMINGS_CAP, 
vidioc_dv_timings_cap);
        }
-       if (is_tx) {
-               /* transmitter only ioctls */
+       if (is_tx && (is_radio || is_sdr)) {
+               /* radio transmitter only ioctls */
                SET_VALID_IOCTL(ops, VIDIOC_G_MODULATOR, vidioc_g_modulator);
                SET_VALID_IOCTL(ops, VIDIOC_S_MODULATOR, vidioc_s_modulator);
        }
-- 
1.8.4.2

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