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[NETLINK]: Add properly module refcounting for kernel netlink sockets.

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- Remove bogus code for compiling netlink as module
- Add module refcounting support for modules implementing a netlink
  protocol
- Add support for autoloading modules that implement a netlink protocol
  as soon as someone opens a socket for that protocol

Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Harald Welte
2005-08-09 19:40:55 -07:00
committed by David S. Miller
parent 020b4c12db
commit 4fdb3bb723
17 changed files with 119 additions and 36 deletions
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5
net/netfilter/nfnetlink.c
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@@ -38,6 +38,8 @@
#include <linux/netfilter/nfnetlink.h>
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Harald Welte <laforge@netfilter.org>");
MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_NETFILTER);
static char __initdata nfversion[] = "0.30";
@@ -324,7 +326,8 @@ int __init nfnetlink_init(void)
{
printk("Netfilter messages via NETLINK v%s.\n", nfversion);
nfnl = netlink_kernel_create(NETLINK_NETFILTER, nfnetlink_rcv);
nfnl = netlink_kernel_create(NETLINK_NETFILTER, nfnetlink_rcv,
THIS_MODULE);
if (!nfnl) {
printk(KERN_ERR "cannot initialize nfnetlink!\n");
return -1;