Re: mmap abuses in drm

static int i830_map_buffer(drm_buf_t * buf, struct file *filp) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_i830_buf_priv_t *buf_priv = buf->dev_private; drm_i830_private_t *dev_priv = dev->dev_private; const struct fil

mmap abuses in drm

Folks, could someone explain what the heck is going on here: static int i830_map_buffer(drm_buf_t * buf, struct file *filp) { drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->head->dev; drm_i830_buf_priv_t *buf_priv = buf->dev_private; drm_i830_priva