Revert "net: restrict SO_REUSEPORT to inet sockets"

This reverts commit 3257813.

This breaks muvm which uses SO_REUSEPORT on the virtio vsock.

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

net/core/sock.c

@@ -1300,10 +1300,7 @@ int sk_setsockopt(struct sock *sk, int level, int optname,
 		sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE);
 		break;
 	case SO_REUSEPORT:
-		if (valbool && !sk_is_inet(sk))
-			ret = -EOPNOTSUPP;
-		else
-			sk->sk_reuseport = valbool;
+		sk->sk_reuseport = valbool;
 		break;
 	case SO_DONTROUTE:
 		sock_valbool_flag(sk, SOCK_LOCALROUTE, valbool);