From: Julius Volz <juliusv@google.com>
Date: Tue, 2 Sep 2008 13:55:51 +0000 (+0200)
Subject: IPVS: Turn off FTP application helper for IPv6
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a0eb662f9ec8962928d937a185ad128db12c4637;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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 0c3fbe0de5f1..2e7dbd8b73a4 100644
--- a/net/ipv4/ipvs/ip_vs_ftp.c
+++ b/net/ipv4/ipvs/ip_vs_ftp.c
@@ -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;