[NET]: Address family not supported for sendmsg()

Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/raw.c

@@ -407,7 +407,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 				printk(KERN_INFO "%s forgot to set AF_INET in "
 						 "raw sendmsg. Fix it!\n",
 						 current->comm);
-			err = -EINVAL;
+			err = -EAFNOSUPPORT;
 			if (usin->sin_family)
 				goto out;
 		}

net/ipv4/udp.c

@@ -531,7 +531,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 			return -EINVAL;
 		if (usin->sin_family != AF_INET) {
 			if (usin->sin_family != AF_UNSPEC)
-				return -EINVAL;
+				return -EAFNOSUPPORT;
 		}
 
 		daddr = usin->sin_addr.s_addr;

net/ipv6/raw.c

@@ -639,7 +639,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 			return -EINVAL;
 
 		if (sin6->sin6_family && sin6->sin6_family != AF_INET6) 
-			return(-EINVAL);
+			return(-EAFNOSUPPORT);
 
 		/* port is the proto value [0..255] carried in nexthdr */
 		proto = ntohs(sin6->sin6_port);

net/ipv6/udp.c

@@ -699,7 +699,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		if (likely(up->pending)) {
 			if (unlikely(up->pending != AF_INET6)) {
 				release_sock(sk);
-				return -EINVAL;
+				return -EAFNOSUPPORT;
 			}
 			dst = NULL;
 			goto do_append_data;