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Commit 65def812 authored by James Chapman's avatar James Chapman Committed by David S. Miller
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[L2TP]: Add the ability to autoload a pppox protocol module. 



This patch allows a name "pppox-proto-nnn" to be used in modprobe.conf
to autoload a PPPoX protocol nnn.

Signed-off-by: default avatarJames Chapman <jchapman@katalix.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 46f8914e

drivers/net/pppox.c

+8 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ 
#include <linux/ppp_defs.h>

#include <linux/if_ppp.h>

#include <linux/ppp_channel.h>

#include <linux/kmod.h>



#include <net/sock.h>
@@ -114,6 +115,13 @@ static int pppox_create(struct socket *sock, int protocol) 
		goto out;



	rc = -EPROTONOSUPPORT;

#ifdef CONFIG_KMOD

	if (!pppox_protos[protocol]) {

		char buffer[32];

		sprintf(buffer, "pppox-proto-%d", protocol);

		request_module(buffer);

	}

#endif

	if (!pppox_protos[protocol] ||

	    !try_module_get(pppox_protos[protocol]->owner))

		goto out;