diff options
Diffstat (limited to 'net/ipv4/netfilter/ip_nat_ftp.c')
| -rw-r--r-- | net/ipv4/netfilter/ip_nat_ftp.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/ipv4/netfilter/ip_nat_ftp.c b/net/ipv4/netfilter/ip_nat_ftp.c index a71c233d811..913960e1380 100644 --- a/net/ipv4/netfilter/ip_nat_ftp.c +++ b/net/ipv4/netfilter/ip_nat_ftp.c @@ -156,15 +156,14 @@ static unsigned int ip_nat_ftp(struct sk_buff **pskb, static void __exit ip_nat_ftp_fini(void) { - ip_nat_ftp_hook = NULL; - /* Make sure noone calls it, meanwhile. */ - synchronize_net(); + rcu_assign_pointer(ip_nat_ftp_hook, NULL); + synchronize_rcu(); } static int __init ip_nat_ftp_init(void) { - BUG_ON(ip_nat_ftp_hook); - ip_nat_ftp_hook = ip_nat_ftp; + BUG_ON(rcu_dereference(ip_nat_ftp_hook)); + rcu_assign_pointer(ip_nat_ftp_hook, ip_nat_ftp); return 0; } |