Re: [PATCHv6 1/3] tun: export underlying socket

Arnd Bergmann
2009-11-04T18:09:05Z

On Tuesday 03 November 2009, Arnd Bergmann wrote:
> > index 3f5fd52..404abe0 100644
> > --- a/include/linux/if_tun.h
> > +++ b/include/linux/if_tun.h
> > @@ -86,4 +86,18 @@ struct tun_filter {
> > __u8 addr[0][ETH_ALEN];
> > };
> >
> > +#ifdef __KERNEL__
> > +#if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE)
> > +struct socket *tun_get_socket(struct file *);
> > +#else
> > +#include <linux/err.h>
> > +#include <linux/errno.h>
> > +struct file;
> > +struct socket;
> > +static inline struct socket *tun_get_socket(struct file *f)
> > +{
> > + return ERR_PTR(-EINVAL);
> > +}
> > +#endif /* CONFIG_TUN */
> > +#endif /* __KERNEL__ */
> > #endif /* __IF_TUN_H */
>
> Is this a leftover from testing? Exporting the function for !__KERNEL__
> seems pointless.
>

Michael, you didn't reply on this comment and the code is still there in v8.
Do you actually need this? What for?