From efe9dd844f8cc8b6d92a041e7151add548cf2e9d Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Mon, 21 Apr 2003 01:24:53 +0000
Subject: [PATCH] fix the segfault on starting a map only to die from file
 handle starvation :P

---
 libs/audio/renderer/snd_dma.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/audio/renderer/snd_dma.c b/libs/audio/renderer/snd_dma.c
index 8ae61488c..04453c80f 100644
--- a/libs/audio/renderer/snd_dma.c
+++ b/libs/audio/renderer/snd_dma.c
@@ -523,6 +523,10 @@ SND_UpdateAmbientSounds (void)
 	for (ambient_channel = 0; ambient_channel < NUM_AMBIENTS;
 		 ambient_channel++) {
 		chan = &channels[ambient_channel];
+		if (!ambient_sfx[ambient_channel]) {
+			chan->sfx = 0;
+			continue;
+		}
 		chan->sfx = ambient_sfx[ambient_channel]->open (ambient_sfx[ambient_channel]);
 
 		vol = ambient_level->value * l->ambient_sound_level[ambient_channel];