From 1324eaece08d84fbe3eb539642dba99b74dd1c07 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@mplayer2.org>
Date: Wed, 25 Apr 2012 02:20:37 +0200
Subject: [PATCH] ao_openal: fix crash when no device parameter is passed

---
 libao2/ao_openal.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libao2/ao_openal.c b/libao2/ao_openal.c
index 263aed34fb..0e04f2cc81 100644
--- a/libao2/ao_openal.c
+++ b/libao2/ao_openal.c
@@ -133,7 +133,7 @@ static int init(int rate, int channels, int format, int flags) {
     print_help();
     return 0;
   }
-  if (strcmp(device, "help") == 0) {
+  if (device && strcmp(device, "help") == 0) {
     list_devices();
     goto err_out;
   }