yanglint BUGFIX invert return value check
diff --git a/tools/lint/cmd_data.c b/tools/lint/cmd_data.c
index a3fe6e7..e2cd6fd 100644
--- a/tools/lint/cmd_data.c
+++ b/tools/lint/cmd_data.c
@@ -281,7 +281,7 @@
             goto cleanup;
         }
 
-        if (fill_cmdline_file(&inputs, in, argv[optind + i], format)) {
+        if (!fill_cmdline_file(&inputs, in, argv[optind + i], format)) {
             ly_in_free(in, 1);
             goto cleanup;
         }