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[2003:cc:cf02:6100:499a:2df:dfb9:f5bd]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37895649b88sm13032689f8f.6.2024.09.11.19.59.14 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Sep 2024 19:59:15 -0700 (PDT) In-Reply-To: Message-Id: To: From: "Marvin Scholz" Date: Thu, 12 Sep 2024 04:58:38 +0200 Subject: [FFmpeg-devel] [PATCH 2/2] avdevice/decklink_dec: fix leaks on error X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: ABJ0rD89F0PW In case of errors in this function, the allocated context was not properly freed in several cases. --- libavdevice/decklink_dec.cpp | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/libavdevice/decklink_dec.cpp b/libavdevice/decklink_dec.cpp index 9a817daf187..418701e4e0c 100644 --- a/libavdevice/decklink_dec.cpp +++ b/libavdevice/decklink_dec.cpp @@ -1112,32 +1112,35 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx) case 8: case 16: break; default: av_log(avctx, AV_LOG_ERROR, "Value of channels option must be one of 2, 8 or 16\n"); - return AVERROR(EINVAL); + ret = AVERROR(EINVAL); + goto error; } /* Check audio bit depth option for valid values: 16 or 32 */ switch (cctx->audio_depth) { case 16: case 32: break; default: av_log(avctx, AV_LOG_ERROR, "Value for audio bit depth option must be either 16 or 32\n"); - return AVERROR(EINVAL); + ret = AVERROR(EINVAL); + goto error; } /* List available devices. */ if (ctx->list_devices) { ff_decklink_list_devices_legacy(avctx, 1, 0); - return AVERROR_EXIT; + ret = AVERROR_EXIT; + goto error; } ret = ff_decklink_init_device(avctx, avctx->url); if (ret < 0) - return ret; + goto error; /* Get input device. */ if (ctx->dl->QueryInterface(IID_IDeckLinkInput, (void **) &ctx->dli) != S_OK) { av_log(avctx, AV_LOG_ERROR, "Could not open input device from '%s'\n", avctx->url); @@ -1334,10 +1337,11 @@ av_cold int ff_decklink_read_header(AVFormatContext *avctx) return 0; error: ff_decklink_cleanup(avctx); + av_freep(&cctx->ctx); return ret; } int ff_decklink_read_packet(AVFormatContext *avctx, AVPacket *pkt) {