From 780813d9b6bfc58aa45571c367071c3a44fb2b44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= <tor.arne.vestbo@qt.io>
Date: Wed, 25 Jan 2023 22:38:25 +0100
Subject: [PATCH] rhi: Remove manual release of autoreleased NSString

The [NSString stringWithUTF8String:] function returns an autoreleased
object, so we don't need to manually release it. Doing so results in
a crash when the surrounding autorelease pool is drained.

Pick-to: 6.5 6.4 6.2
Change-Id: I3dca01e2771d4010e582c2bf770f3d2281343dc3
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
---
 src/gui/rhi/qrhimetal.mm | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/gui/rhi/qrhimetal.mm b/src/gui/rhi/qrhimetal.mm
index a2b90e99a80..cf9112fe548 100644
--- a/src/gui/rhi/qrhimetal.mm
+++ b/src/gui/rhi/qrhimetal.mm
@@ -4449,10 +4449,7 @@ id<MTLLibrary> QRhiMetalData::createMetalLib(const QShader &shader, QShader::Var
 
 id<MTLFunction> QRhiMetalData::createMSLShaderFunction(id<MTLLibrary> lib, const QByteArray &entryPoint)
 {
-    NSString *name = [NSString stringWithUTF8String: entryPoint.constData()];
-    id<MTLFunction> f = [lib newFunctionWithName: name];
-    [name release];
-    return f;
+    return [lib newFunctionWithName:[NSString stringWithUTF8String:entryPoint.constData()]];
 }
 
 void QMetalGraphicsPipeline::setupAttachmentsInMetalRenderPassDescriptor(void *metalRpDesc, QMetalRenderPassDescriptor *rpD)