From 26302f411855ba77bcf96eae5f128796c51bf656 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Fri, 5 Jul 2013 00:54:00 -0400
Subject: [PATCH] Don't crash if SDL_AudioQuit() is called twice in a row.

Fixes Bugzilla #1396.
---
 src/audio/SDL_audio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 059b75d29..5e30ad094 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -1172,6 +1172,10 @@ SDL_CloseAudio(void)
 void
 SDL_AudioQuit(void)
 {
+    if (!current_audio.name) {  /* not initialized?! */
+        return;
+    }
+
     SDL_AudioDeviceID i;
     for (i = 0; i < SDL_arraysize(open_devices); i++) {
         if (open_devices[i] != NULL) {