diff options
Diffstat (limited to 'net/ipv4/netfilter/ip_nat_tftp.c')
| -rw-r--r-- | net/ipv4/netfilter/ip_nat_tftp.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/ipv4/netfilter/ip_nat_tftp.c b/net/ipv4/netfilter/ip_nat_tftp.c index 94a78015451..604793536fc 100644 --- a/net/ipv4/netfilter/ip_nat_tftp.c +++ b/net/ipv4/netfilter/ip_nat_tftp.c @@ -55,15 +55,14 @@ static unsigned int help(struct sk_buff **pskb, static void __exit ip_nat_tftp_fini(void) { - ip_nat_tftp_hook = NULL; - /* Make sure noone calls it, meanwhile. */ - synchronize_net(); + rcu_assign_pointer(ip_nat_tftp_hook, NULL); + synchronize_rcu(); } static int __init ip_nat_tftp_init(void) { - BUG_ON(ip_nat_tftp_hook); - ip_nat_tftp_hook = help; + BUG_ON(rcu_dereference(ip_nat_tftp_hook)); + rcu_assign_pointer(ip_nat_tftp_hook, help); return 0; } |