Re: [PATCH 1/6] Phonet: transport protocol auto-loading

[Marcel Holtmann <marcel@holtmann.org>]

Hi,

> > Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
> > ---
> >  net/phonet/af_phonet.c |    5 +++++
> >  1 files changed, 5 insertions(+), 0 deletions(-)
> > 
> > diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
> > index 1d8df6b..06627d3 100644
> > --- a/net/phonet/af_phonet.c
> > +++ b/net/phonet/af_phonet.c
> > @@ -64,6 +64,11 @@ static int pn_socket_create(struct net *net, struct socket *sock, int protocol)
> >  	}
> >  
> >  	pnp = phonet_proto_get(protocol);
> > +#ifdef CONFIG_KMOD
> > +	if (pnp == NULL
> > +	 && request_module("net-pf-%d-proto-%d", PF_PHONET, protocol) == 0)
> 
> && at the end of previous line, please.
> 
> I wonder if we shouldn't have:
> 
> net_pf_request_module(PF_PHONET, protocol)
> 
> [acme@doppio linux-2.6]$ grep "net-pf-%d-proto-%d" net/*/*.c
> net/ipv4/af_inet.c: request_module("net-pf-%d-proto-%d-type-%d",
> net/ipv4/af_inet.c: request_module("net-pf-%d-proto-%d",
> net/ipv4/inet_diag.c: request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
> net/ipv6/af_inet6.c: request_module("net-pf-%d-proto-%d-type-%d",
> net/ipv6/af_inet6.c: request_module("net-pf-%d-proto-%d",
> net/netlink/af_netlink.c: request_module("net-pf-%d-proto-%d", PF_NETLINK, protocol);
> [acme@doppio linux-2.6]$
> 
> Nah, perhaps not...

maybe it is not such a bad idea. Every protocol seems to have its own
code in it. I am using this:

#if defined(CONFIG_KMOD)
        if (!bt_proto[proto]) {
                request_module("bt-proto-%d", proto);
        }
#endif

Regards

Marcel