From c59a073abe9e13fc22035048e3f7c47527503222 Mon Sep 17 00:00:00 2001
From: Marvin Scholz <epirat07@gmail.com>
Date: Wed, 11 Sep 2024 21:07:29 +0200
Subject: [PATCH] lavfi/af_channelmap: fix channelmap_init error handling

The channelmap_init function was returning success even on error after
7dc81d33c241b9e176ea85956e8317f29bc9e3c0 due to shadowing of the
outer ret variable.

Fixes CID1619297 Logically dead code
---
 libavfilter/af_channelmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/af_channelmap.c b/libavfilter/af_channelmap.c
index f5209a10cd..7a99ac7780 100644
--- a/libavfilter/af_channelmap.c
+++ b/libavfilter/af_channelmap.c
@@ -316,7 +316,7 @@ static av_cold int channelmap_init(AVFilterContext *ctx)
     presence_map = av_calloc(s->nch, sizeof(*presence_map));
     for (i = 0; i < s->nch; i++) {
         const int out_idx = s->map[i].out_channel_idx;
-        int ret = check_idx_and_id(ctx, out_idx, s->map[i].out_channel, &s->output_layout, "out");
+        ret = check_idx_and_id(ctx, out_idx, s->map[i].out_channel, &s->output_layout, "out");
         if (ret < 0)
             break;
         if (presence_map[out_idx]) {