diff options
Diffstat (limited to 'net/ipv4/netfilter/ip_conntrack_ftp.c')
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_ftp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_ftp.c b/net/ipv4/netfilter/ip_conntrack_ftp.c index 93dcf96..0410c99 100644 --- a/net/ipv4/netfilter/ip_conntrack_ftp.c +++ b/net/ipv4/netfilter/ip_conntrack_ftp.c @@ -310,6 +310,7 @@ static int help(struct sk_buff **pskb, struct ip_conntrack_expect *exp; unsigned int i; int found = 0, ends_in_nl; + typeof(ip_nat_ftp_hook) ip_nat_ftp; /* Until there's been traffic both ways, don't look in packets. */ if (ctinfo != IP_CT_ESTABLISHED @@ -433,9 +434,10 @@ static int help(struct sk_buff **pskb, /* Now, NAT might want to mangle the packet, and register the * (possibly changed) expectation itself. */ - if (ip_nat_ftp_hook) - ret = ip_nat_ftp_hook(pskb, ctinfo, search[dir][i].ftptype, - matchoff, matchlen, exp, &seq); + ip_nat_ftp = rcu_dereference(ip_nat_ftp_hook); + if (ip_nat_ftp) + ret = ip_nat_ftp(pskb, ctinfo, search[dir][i].ftptype, + matchoff, matchlen, exp, &seq); else { /* Can't expect this? Best to drop packet now. */ if (ip_conntrack_expect_related(exp) != 0) |