From 059de38c2c7fcb3dac5fcd94e585a98c84e41313 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Mon, 27 Jan 2020 15:44:48 -0500
Subject: [PATCH] darwin: Don't pass NULL device refs to IOHIDDeviceGetValue().

Possibly fixes Bugzilla #4961.
---
 src/joystick/darwin/SDL_sysjoystick.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/joystick/darwin/SDL_sysjoystick.c b/src/joystick/darwin/SDL_sysjoystick.c
index fc3ff31ba..49d9b1597 100644
--- a/src/joystick/darwin/SDL_sysjoystick.c
+++ b/src/joystick/darwin/SDL_sysjoystick.c
@@ -161,7 +161,7 @@ GetHIDElementState(recDevice *pDevice, recElement *pElement, SInt32 *pValue)
     SInt32 value = 0;
     int returnValue = SDL_FALSE;
 
-    if (pDevice && pElement) {
+    if (pDevice && pDevice->deviceRef && pElement) {
         IOHIDValueRef valueRef;
         if (IOHIDDeviceGetValue(pDevice->deviceRef, pElement->elementRef, &valueRef) == kIOReturnSuccess) {
             value = (SInt32) IOHIDValueGetIntegerValue(valueRef);