4 files changed, 22 insertions, 11 deletions

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 0dc1b7267c37..94c62e4ddea9 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1228,7 +1228,7 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw, int len,
 
 sctp_scope_t sctp_scope(const union sctp_addr *);
 int sctp_in_scope(const union sctp_addr *addr, const sctp_scope_t scope);
-int sctp_is_any(const union sctp_addr *addr);
+int sctp_is_any(struct sock *sk, const union sctp_addr *addr);
 int sctp_addr_is_valid(const union sctp_addr *addr);
 
 
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index f62bc2468935..6d5944a745d4 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -457,7 +457,7 @@ static int sctp_copy_one_addr(struct sctp_bind_addr *dest,
 {
         int error = 0;
 
-        if (sctp_is_any(addr)) {
+        if (sctp_is_any(NULL, addr)) {
                 error = sctp_copy_local_addr_list(dest, scope, gfp, flags);
         } else if (sctp_in_scope(addr, scope)) {
                 /* Now that the address is in scope, check to see if
@@ -477,11 +477,21 @@ static int sctp_copy_one_addr(struct sctp_bind_addr *dest,
 }
 
 /* Is this a wildcard address?  */
-int sctp_is_any(const union sctp_addr *addr)
+int sctp_is_any(struct sock *sk, const union sctp_addr *addr)
 {
-        struct sctp_af *af = sctp_get_af_specific(addr->sa.sa_family);
+        unsigned short fam = 0;
+        struct sctp_af *af;
+
+        /* Try to get the right address family */
+        if (addr->sa.sa_family != AF_UNSPEC)
+                fam = addr->sa.sa_family;
+        else if (sk)
+                fam = sk->sk_family;
+
+        af = sctp_get_af_specific(fam);
         if (!af)
                 return 0;
+
         return af->is_any(addr);
 }
 
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 47f91afa0211..c78da3c9dd34 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -837,6 +837,7 @@ static int sctp_inet6_cmp_addr(const union sctp_addr *addr1,
                                struct sctp_sock *opt)
 {
         struct sctp_af *af1, *af2;
+        struct sock *sk = sctp_opt2sk(opt);
 
         af1 = sctp_get_af_specific(addr1->sa.sa_family);
         af2 = sctp_get_af_specific(addr2->sa.sa_family);
@@ -845,11 +846,11 @@ static int sctp_inet6_cmp_addr(const union sctp_addr *addr1,
                 return 0;
 
         /* If the socket is IPv6 only, v4 addrs will not match */
-        if (__ipv6_only_sock(sctp_opt2sk(opt)) && af1 != af2)
+        if (__ipv6_only_sock(sk) && af1 != af2)
                 return 0;
 
         /* Today, wildcard AF_INET/AF_INET6. */
-        if (sctp_is_any(addr1) || sctp_is_any(addr2))
+        if (sctp_is_any(sk, addr1) || sctp_is_any(sk, addr2))
                 return 1;
 
         if (addr1->sa.sa_family != addr2->sa.sa_family)
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 5ffb9dec1c3f..a1b904529d5e 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2309,7 +2309,7 @@ static int sctp_setsockopt_peer_addr_params(struct sock *sk,
         /* If an address other than INADDR_ANY is specified, and
          * no transport is found, then the request is invalid.
          */
-        if (!sctp_is_any(( union sctp_addr *)&params.spp_address)) {
+        if (!sctp_is_any(sk, ( union sctp_addr *)&params.spp_address)) {
                 trans = sctp_addr_id2transport(sk, &params.spp_address,
                                                params.spp_assoc_id);
                 if (!trans)
@@ -4062,7 +4062,7 @@ static int sctp_getsockopt_peer_addr_params(struct sock *sk, int len,
         /* If an address other than INADDR_ANY is specified, and
          * no transport is found, then the request is invalid.
          */
-        if (!sctp_is_any(( union sctp_addr *)&params.spp_address)) {
+        if (!sctp_is_any(sk, ( union sctp_addr *)&params.spp_address)) {
                 trans = sctp_addr_id2transport(sk, &params.spp_address,
                                                params.spp_assoc_id);
                 if (!trans) {
@@ -4414,7 +4414,7 @@ static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
         if (sctp_list_single_entry(&bp->address_list)) {
                 addr = list_entry(bp->address_list.next,
                                   struct sctp_sockaddr_entry, list);
-                if (sctp_is_any(&addr->a)) {
+                if (sctp_is_any(sk, &addr->a)) {
                         rcu_read_lock();
                         list_for_each_entry_rcu(addr,
                                                 &sctp_local_addr_list, list) {
@@ -4602,7 +4602,7 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
         if (sctp_list_single_entry(&bp->address_list)) {
                 addr = list_entry(bp->address_list.next,
                                   struct sctp_sockaddr_entry, list);
-                if (sctp_is_any(&addr->a)) {
+                if (sctp_is_any(sk, &addr->a)) {
                         cnt = sctp_copy_laddrs_old(sk, bp->port,
                                                    getaddrs.addr_num,
                                                    addrs, &bytes_copied);
@@ -4695,7 +4695,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
         if (sctp_list_single_entry(&bp->address_list)) {
                 addr = list_entry(bp->address_list.next,
                                   struct sctp_sockaddr_entry, list);
-                if (sctp_is_any(&addr->a)) {
+                if (sctp_is_any(sk, &addr->a)) {
                         cnt = sctp_copy_laddrs(sk, bp->port, addrs,
                                                 space_left, &bytes_copied);
                         if (cnt < 0) {