log: Permit -dfilter 0..0xffffffffffffffff

Works fine since the previous commit fixed the underlying range data
type.  Of course it filters out nothing, but so does
0..1,2..0xffffffffffffffff, and we don't bother rejecting that either.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

tests/test-logging.c

@@ -73,8 +73,9 @@ static void test_parse_range(void)
     g_assert_false(qemu_log_in_addr_range(UINT64_MAX - 1));
 
     qemu_set_dfilter_ranges("0..0xffffffffffffffff", &err);
-    error_free_or_abort(&err);
-
+    g_assert(qemu_log_in_addr_range(0));
+    g_assert(qemu_log_in_addr_range(UINT64_MAX));
+
     qemu_set_dfilter_ranges("2..1", &err);
     error_free_or_abort(&err);
 

util/log.c

@@ -204,7 +204,7 @@ void qemu_set_dfilter_ranges(const char *filter_spec, Error **errp)
         default:
             g_assert_not_reached();
         }
-        if (lob > upb || (lob == 0 && upb == UINT64_MAX)) {
+        if (lob > upb) {
             error_setg(errp, "Invalid range");
             goto out;
         }