net: ping: Return EAFNOSUPPORT when appropriate.

[deliverable/linux.git] / net / ipv6 / ping.c

diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index bd46f736f61d74bcb75a4dabef264154f55a9fb0..a2dfff6ff227e09607d1d267265e7635d64a2030 100644 (file)
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -102,9 +102,10 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
        if (msg->msg_name) {
                DECLARE_SOCKADDR(struct sockaddr_in6 *, u, msg->msg_name);
-               if (msg->msg_namelen < sizeof(struct sockaddr_in6) ||
-                   u->sin6_family != AF_INET6) {
+               if (msg->msg_namelen < sizeof(*u))
                        return -EINVAL;
+               if (u->sin6_family != AF_INET6) {
+                       return -EAFNOSUPPORT;
                }
                if (sk->sk_bound_dev_if &&
                    sk->sk_bound_dev_if != u->sin6_scope_id) {