From e83f039833e300814541933dccf6b3ab0a614695 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 12 May 2021 15:48:00 +1000
Subject: [PATCH] alsa: free the strdup'd substring on error

n is the return value of pa_split()

Found by scan-build
---
 spa/plugins/alsa/acp/alsa-mixer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/spa/plugins/alsa/acp/alsa-mixer.c b/spa/plugins/alsa/acp/alsa-mixer.c
index f581e71ba..947ac6f73 100644
--- a/spa/plugins/alsa/acp/alsa-mixer.c
+++ b/spa/plugins/alsa/acp/alsa-mixer.c
@@ -2553,6 +2553,7 @@ static int element_parse_override_map(pa_config_parser_state *state) {
 
         if (i >= (unsigned)channel_count) {
             pa_log("[%s:%u] Invalid override map size (>%d) in '%s'", state->filename, state->lineno, channel_count, state->section);
+            pa_xfree(n);
             return -1;
         }
         channel_position = alsa_channel_positions[i];