From c5825b698db4648beff68fe082f754bdb8459c50 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <icculus@icculus.org>
Date: Fri, 6 Jan 2017 21:23:51 -0500
Subject: [PATCH] audio: Don't call a NULL function pointer when clearing audio
 streams.

(Partially?) fixes Bugzilla #3547.
---
 src/audio/SDL_audiocvt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
index 58f763b1c5e03..7bc3ffea10bda 100644
--- a/src/audio/SDL_audiocvt.c
+++ b/src/audio/SDL_audiocvt.c
@@ -998,7 +998,9 @@ SDL_AudioStreamClear(SDL_AudioStream *stream)
         SDL_InvalidParamError("stream");
     } else {
         SDL_ClearDataQueue(stream->queue, stream->packetlen * 2);
-        stream->reset_resampler_func(stream);
+        if (stream->reset_resampler_func) {
+            stream->reset_resampler_func(stream);
+        }
     }
 }