fix:
  net/wireless/reg.c:348:29: error: macro "if" passed 2 arguments, but takes just 1
triggered by the branch-tracer.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
                                return 0;
                        return -EALREADY;
                }
-               if (WARN_ON(!is_alpha2_set(alpha2) || !is_an_alpha2(alpha2)),
+               if (WARN(!is_alpha2_set(alpha2) || !is_an_alpha2(alpha2),
                                "Invalid Country IE regulatory hint passed "
-                               "to the wireless core\n")
+                               "to the wireless core\n"))
                        return -EINVAL;
                /* We ignore Country IE hints for now, as we haven't yet
                 * added the dot11MultiDomainCapabilityEnabled flag