From: Sunyoung Kang <sy0816.kang@xxxxxxxxxxx> get_v4l2_buffer32() didn't copy reserved2 field from userspace to driver. So the reserved2 value is not received through compat-ioctl32 in driver. This patch copy reserved2 field of v4l2_buffer in get_v4l2_buffer32(). Signed-off-by: Sunyoung Kang <sy0816.kang@xxxxxxxxxxx> --- drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index a99e82ec9ab6..e9b2b9c0ec9a 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -665,6 +665,7 @@ static int get_v4l2_buffer32(struct v4l2_buffer __user *p64, if (V4L2_TYPE_IS_OUTPUT(type)) if (assign_in_user(&p64->bytesused, &p32->bytesused) || assign_in_user(&p64->field, &p32->field) || + assign_in_user(&p64->reserved2, &p32->reserved2) || assign_in_user(&p64->timestamp.tv_sec, &p32->timestamp.tv_sec) || assign_in_user(&p64->timestamp.tv_usec, -- 2.20.1