Merge branch 'bugzilla-21212' into release

[firefly-linux-kernel-4.4.55.git] / net / sctp / socket.c

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 6bd554323a342d4db49be267766b87492bd2e584..fff0926b11112a8dd04d11e1e7f9ba378c40fcc3 100644 (file)
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2932,6 +2932,7 @@ static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optva
        struct sctp_association *asoc = NULL;
        struct sctp_setpeerprim prim;
        struct sctp_chunk       *chunk;
+       struct sctp_af          *af;
        int                     err;
 
        sp = sctp_sk(sk);
@@ -2959,6 +2960,13 @@ static int sctp_setsockopt_peer_primary_addr(struct sock *sk, char __user *optva
        if (!sctp_state(asoc, ESTABLISHED))
                return -ENOTCONN;
 
+       af = sctp_get_af_specific(prim.sspp_addr.ss_family);
+       if (!af)
+               return -EINVAL;
+
+       if (!af->addr_valid((union sctp_addr *)&prim.sspp_addr, sp, NULL))
+               return -EADDRNOTAVAIL;
+
        if (!sctp_assoc_lookup_laddr(asoc, (union sctp_addr *)&prim.sspp_addr))
                return -EADDRNOTAVAIL;
 
@@ -5045,7 +5053,7 @@ static int sctp_getsockopt_partial_delivery_point(struct sock *sk, int len,
        if (copy_to_user(optval, &val, len))
                return -EFAULT;
 
-       return -ENOTSUPP;
+       return 0;
 }
 
 /*