From 765a43a0ffcf4b89ea38ee3181b8039f823d9da6 Mon Sep 17 00:00:00 2001
From: nanahi <130121847+na-na-hi@users.noreply.github.com>
Date: Fri, 29 Mar 2024 12:25:03 -0400
Subject: [PATCH] ao_alsa: fix snd_config memory leak

During AO init, snd_pcm_open() is called, which calls snd_config_update()
to allocate a global config node and stores it in the snd_config global
variable. This is never freed on uninit.

Fix this by freeing the global config node on uninit.
---
 audio/out/ao_alsa.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/audio/out/ao_alsa.c b/audio/out/ao_alsa.c
index 75eda3bbf8..92ea0db237 100644
--- a/audio/out/ao_alsa.c
+++ b/audio/out/ao_alsa.c
@@ -623,7 +623,8 @@ static void uninit(struct ao *ao)
         CHECK_ALSA_ERROR("pcm close error");
     }
 
-alsa_error: ;
+alsa_error:
+    snd_config_update_free_global();
 }
 
 #define INIT_DEVICE_ERR_GENERIC -1