SDL_mixer: metadata: Fixed memory leak. (e57c1)

SDL Commits
1 
From e57c12c3ff3162eb3b32aa03dcdabedfca4e1d45 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Tue, 19 May 2026 10:20:41 -0400
Subject: [PATCH] metadata: Fixed memory leak.

(cherry picked from commit e5e462e01bdca269998a541d0bff3ca3d03e70b1)
---
 src/SDL_mixer_metadata_tags.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/SDL_mixer_metadata_tags.c b/src/SDL_mixer_metadata_tags.c
index fefcd7fe..fd088425 100644
--- a/src/SDL_mixer_metadata_tags.c
+++ b/src/SDL_mixer_metadata_tags.c
@@ -118,8 +118,10 @@ static void id3v1_set_tag(SDL_PropertiesID props, const char *key, const Uint8 *
 {
     if (!SDL_HasProperty(props, key)) {  // in case there are multiple ID3v1 tags appended to a file, we'll take the last one, since we parse backwards from the end of file.
         char *src_buf = parse_id3v1_ansi_string(buffer, len);
-        if (src_buf && *src_buf) {
-            SDL_SetStringProperty(props, key, src_buf);
+        if (src_buf) {
+            if (*src_buf) {
+                SDL_SetStringProperty(props, key, src_buf);
+            }
             SDL_free(src_buf);
         }
     }