From e4330536d2f4a9b96e52a60b9d698625ab26a547 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Thu, 17 Oct 2024 13:39:48 -0400
Subject: [PATCH] [ruby/json] Fix State#max_nesting=

Returning state->max_nesting is not valid because it's not a Ruby object.

https://github.com/ruby/json/commit/6679ceb
---
 ext/json/generator/generator.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ext/json/generator/generator.c b/ext/json/generator/generator.c
index b9946b3cf7..ead772994b 100644
--- a/ext/json/generator/generator.c
+++ b/ext/json/generator/generator.c
@@ -1164,7 +1164,8 @@ static VALUE cState_max_nesting_set(VALUE self, VALUE depth)
 {
     GET_STATE(self);
     Check_Type(depth, T_FIXNUM);
-    return state->max_nesting = FIX2LONG(depth);
+    state->max_nesting = FIX2LONG(depth);
+    return Qnil;
 }
 
 /*