[PATCH net-next v2] IPv6: enable bind() to assign an anycast address
From: Francois-Xavier Le Bail <hidden>
Date: 2014-01-13 17:18:42
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
- Use ipv6_chk_acast_addr_src() in inet6_bind(). Signed-off-by: Francois-Xavier Le Bail <redacted> --- Tested with SOCK_DGRAM and SOCK_STREAM sockets. Tested with link-local and global anycast addresses. net/ipv6/af_inet6.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index c921d5d..68b81e9 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c@@ -347,7 +347,9 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) if (!(addr_type & IPV6_ADDR_MULTICAST)) { if (!(inet->freebind || inet->transparent) && !ipv6_chk_addr(net, &addr->sin6_addr, - dev, 0)) { + dev, 0) && + !ipv6_chk_acast_addr_src(net, dev, + &addr->sin6_addr)) { err = -EADDRNOTAVAIL; goto out_unlock; }