[PATCH 4/5 2.6.21-rc7] l2tp: pppox protocol module load

[James Chapman]

[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: James Chapman <[EMAIL PROTECTED]>

Index: linux-2.6.21-rc7/drivers/net/pppox.c
===================================================================
--- linux-2.6.21-rc7.orig/drivers/net/pppox.c
+++ linux-2.6.21-rc7/drivers/net/pppox.c
@@ -114,6 +114,13 @@ static int pppox_create(struct socket *s
                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;
-
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