[NETFILTER]: ip_conntrack_expect_related must not free expectation

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / netfilter / ip_nat_ftp.c

diff --git a/net/ipv4/netfilter/ip_nat_ftp.c b/net/ipv4/netfilter/ip_nat_ftp.c
index c6000e794ad67ca6089eb7583ae8c81914fbcea6..d83757a70d9f647f2474952c79b424b148d5159a 100644 (file)
--- a/net/ipv4/netfilter/ip_nat_ftp.c
+++ b/net/ipv4/netfilter/ip_nat_ftp.c
@@ -143,10 +143,8 @@ static unsigned int ip_nat_ftp(struct sk_buff **pskb,
                        break;
        }
 
-       if (port == 0) {
-               ip_conntrack_expect_free(exp);
+       if (port == 0)
                return NF_DROP;
-       }
 
        if (!mangle[type](pskb, newip, port, matchoff, matchlen, ct, ctinfo,
                          seq)) {