IPVS: Turn off FTP application helper for IPv6
Immediately return from FTP application helper and do nothing when dealing
with IPv6 packets. IPv6 is not supported by this helper yet.
Signed-off-by: Julius Volz <juliusv@google.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
diff --git a/net/ipv4/ipvs/ip_vs_ftp.c b/net/ipv4/ipvs/ip_vs_ftp.c
index 0c3fbe0..2e7dbd8 100644
--- a/net/ipv4/ipvs/ip_vs_ftp.c
+++ b/net/ipv4/ipvs/ip_vs_ftp.c
@@ -147,6 +147,14 @@
unsigned buf_len;
int ret;
+#ifdef CONFIG_IP_VS_IPV6
+ /* This application helper doesn't work with IPv6 yet,
+ * so turn this into a no-op for IPv6 packets
+ */
+ if (cp->af == AF_INET6)
+ return 1;
+#endif
+
*diff = 0;
/* Only useful for established sessions */
@@ -248,6 +256,14 @@
__be16 port;
struct ip_vs_conn *n_cp;
+#ifdef CONFIG_IP_VS_IPV6
+ /* This application helper doesn't work with IPv6 yet,
+ * so turn this into a no-op for IPv6 packets
+ */
+ if (cp->af == AF_INET6)
+ return 1;
+#endif
+
/* no diff required for incoming packets */
*diff = 0;