Fix compiler warning by exiting if wfp isn't set

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c
index 7cfee6eaf..44c456d7b 100644
--- a/tools/mrbc/mrbc.c
+++ b/tools/mrbc/mrbc.c
@@ -285,6 +285,10 @@ main(int argc, char **argv)
       return EXIT_FAILURE;
     }
   }
+  else {
+    fprintf(stderr, "Output file is required\n");
+    return EXIT_FAILURE;
+  }
   result = dump_file(mrb, wfp, args.outfile, &args);
   fclose(wfp);
   cleanup(mrb, &args);