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[L2TP]: Add the ability to autoload a pppox protocol module.

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

Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
James Chapman 2007-04-30 00:21:02 -07:00 committed by David S. Miller
parent 46f8914e53
commit 65def812ab
1 changed files with 8 additions and 0 deletions
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8
drivers/net/pppox.c
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@ -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;