Commit a0eb662f authored by Julius Volz's avatar Julius Volz Committed by Simon Horman
Browse files

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: default avatarJulius Volz <juliusv@google.com>
Signed-off-by: default avatarSimon Horman <horms@verge.net.au>
parent c6883f58

net/ipv4/ipvs/ip_vs_ftp.c

+16 −0
Original line number Diff line number Diff line
@@ -147,6 +147,14 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp, 
	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 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp, 
	__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;