From da478aaa3237b691dfaa4676eb384fc64349e8ea Mon Sep 17 00:00:00 2001
From: Roman Artiukhin <bahusdrive@gmail.com>
Date: Thu, 7 Nov 2024 11:12:01 +0200
Subject: [PATCH] metadata: mp3: Simplify comment tag processing

Avoid unnecessary string comparison.

Change-Id: Ib1c5622f7b7760c43c4763930dc4ef6b409dbc05
---
 lib/rbcodec/metadata/id3tags.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/rbcodec/metadata/id3tags.c b/lib/rbcodec/metadata/id3tags.c
index bc811cc013..506cbcaaf1 100644
--- a/lib/rbcodec/metadata/id3tags.c
+++ b/lib/rbcodec/metadata/id3tags.c
@@ -996,8 +996,7 @@ retry_with_limit:
                  * remove them so unicode_munge can work correctly
                  */
 
-                if((tr->tag_length == 4 && !memcmp( header, "COMM", 4)) ||
-                   (tr->tag_length == 3 && !memcmp( header, "COM", 3))) {
+                if (tr->offset == offsetof(struct mp3entry, comment)) {
                     int offset;
                     if (buffersize - bufferpos <= 4)
                         return; /* Error ?? */