From 3828d45e31697e2d6b8d411fbca310b7f57cbe35 Mon Sep 17 00:00:00 2001
From: Chaosus <chaosus89@gmail.com>
Date: Thu, 26 Sep 2024 11:20:39 +0300
Subject: [PATCH] Fix shader crash when return a void function call

---
 servers/rendering/shader_language.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/servers/rendering/shader_language.cpp b/servers/rendering/shader_language.cpp
index 14bd3841dfa..879a83f5198 100644
--- a/servers/rendering/shader_language.cpp
+++ b/servers/rendering/shader_language.cpp
@@ -8476,6 +8476,11 @@ Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_fun
 					return ERR_PARSE_ERROR;
 				}
 			} else {
+				if (b->parent_function->return_type == TYPE_VOID) {
+					_set_error(vformat(RTR("'%s' function cannot return a value."), "void"));
+					return ERR_PARSE_ERROR;
+				}
+
 				_set_tkpos(pos); //rollback, wants expression
 
 #ifdef DEBUG_ENABLED