Function rpmsg_get_by_rdev

drivers/rpmsg/rpmsg.c:91–100

 ****************************************************************************/

static inline FAR struct rpmsg_s *
rpmsg_get_by_rdev(FAR struct rpmsg_device *rdev)
{
  if (!rdev)
    {
      return NULL;
    }

  return (FAR struct rpmsg_s *)((FAR char *)rdev - sizeof(struct rpmsg_s));
}

static int rpmsg_dev_ioctl_(FAR struct rpmsg_s *rpmsg, int cmd,
                            unsigned long arg)