From ef737641de42c41c4d3dc6a026974177bd287baa Mon Sep 17 00:00:00 2001
From: David Reid <mackron@gmail.com>
Date: Mon, 29 Aug 2022 09:57:35 +1000
Subject: [PATCH] PulseAudio: Add a null pointer check for safety.

Public issue https://github.com/mackron/miniaudio/issues/527
---
 miniaudio.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/miniaudio.h b/miniaudio.h
index c2785563..ded9c480 100644
--- a/miniaudio.h
+++ b/miniaudio.h
@@ -28331,6 +28331,14 @@ static void ma_device_sink_info_callback(ma_pa_context* pPulseContext, const ma_
         return;
     }
 
+    /*
+    There has been a report that indicates that pInfo can be null which results
+    in a null pointer dereference below. We'll check for this for safety.
+    */
+    if (pInfo == NULL) {
+        return;
+    }
+
     pInfoOut = (ma_pa_sink_info*)pUserData;
     MA_ASSERT(pInfoOut != NULL);
 
@@ -28347,6 +28355,14 @@ static void ma_device_source_info_callback(ma_pa_context* pPulseContext, const m
         return;
     }
 
+    /*
+    There has been a report that indicates that pInfo can be null which results
+    in a null pointer dereference below. We'll check for this for safety.
+    */
+    if (pInfo == NULL) {
+        return;
+    }
+
     pInfoOut = (ma_pa_source_info*)pUserData;
     MA_ASSERT(pInfoOut != NULL);