From 77ca0f273c6ab6747a52e82ea2ed76c939b37402 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Thu, 27 Jul 2017 22:55:18 -0700
Subject: [PATCH] Fixed crash if the WASAPI audio device couldn't be recovered

---
 src/audio/wasapi/SDL_wasapi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/audio/wasapi/SDL_wasapi.c b/src/audio/wasapi/SDL_wasapi.c
index 6af22ceb0..0a3bf92d8 100644
--- a/src/audio/wasapi/SDL_wasapi.c
+++ b/src/audio/wasapi/SDL_wasapi.c
@@ -372,7 +372,8 @@ WASAPI_GetPendingBytes(_THIS)
     UINT32 frames = 0;
 
     /* it's okay to fail here; we'll deal with failures in the audio thread. */
-    if (FAILED(IAudioClient_GetCurrentPadding(this->hidden->client, &frames))) {
+    /* FIXME: need a lock around checking this->hidden->client */
+    if (!this->hidden->client || FAILED(IAudioClient_GetCurrentPadding(this->hidden->client, &frames))) {
         return 0;  /* oh well. */
     }