From 2f0265d07828bd818be6f5b9ded6299fb6271e16 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 6 Mar 2023 18:03:21 +0900
Subject: [PATCH] mruby-io/io.c (check_file_descriptor): stop "unused label"
 warning

---
 mrbgems/mruby-io/src/io.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mrbgems/mruby-io/src/io.c b/mrbgems/mruby-io/src/io.c
index 4e0897461..d2a12c406 100644
--- a/mrbgems/mruby-io/src/io.c
+++ b/mrbgems/mruby-io/src/io.c
@@ -686,7 +686,8 @@ check_file_descriptor(mrb_state *mrb, mrb_int fd)
 #endif /* _WIN32 */
 
   if (fstat(fdi, &sb) == 0) return;
-  if (errno != EBADF) return;
+  if (errno == EBADF) goto badfd;
+  return;
 
 badfd:
   mrb_sys_fail(mrb, "bad file descriptor");