[FFmpeg-devel] [PATCH] Revert "avcodec/jpeglsdec: Check get_bits_left() before decoding a picture" (PR #21315)

[Ramiro Polla via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

PR #21315 opened by Ramiro Polla (ramiro)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21315
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21315.patch

This check has been made redundant by f80224ed19a and fe7fbf3a227.

This reverts commit 4bc3008d04451cd31818e21703ed7ed96b6ff074.


>From a46cc099244aae039cf1f2742152e7bff9023591 Mon Sep 17 00:00:00 2001
From: Ramiro Polla <ramiro.polla@gmail.com>
Date: Mon, 29 Dec 2025 20:03:10 +0100
Subject: [PATCH] Revert "avcodec/jpeglsdec: Check get_bits_left() before
 decoding a picture"

This check has been made redundant by f80224ed19a and fe7fbf3a227.

This reverts commit 4bc3008d04451cd31818e21703ed7ed96b6ff074.
---
 libavcodec/jpeglsdec.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c
index 5f463c9660..39f50a263e 100644
--- a/libavcodec/jpeglsdec.c
+++ b/libavcodec/jpeglsdec.c
@@ -418,10 +418,6 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near,
         av_log(s->avctx, AV_LOG_DEBUG, "JPEG params: ILV=%i Pt=%i BPP=%i, scan = %i\n",
                 ilv, point_transform, s->bits, s->cur_scan);
     }
-    if (get_bits_left(&s->gb) < s->height) {
-        ret = AVERROR_INVALIDDATA;
-        goto end;
-    }
     if (ilv == 0) { /* separate planes */
         if (s->cur_scan > s->nb_components) {
             ret = AVERROR_INVALIDDATA;
-- 
2.49.1

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