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avcodec/nvdec: Check av_buffer_ref()

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It (unfortunately) involves an allocation and can therefore fail.

Reviewed-by: Timo Rothenpieler <timo@rothenpieler.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-08-06 09:14:11 +02:00
parent eb608fd0b0
commit d3730acca3
1 changed files with 5 additions and 2 deletions
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7
libavcodec/nvdec.c
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@ -532,8 +532,11 @@ static int nvdec_retrieve_data(void *logctx, AVFrame *frame)
}
unmap_data->idx = cf->idx;
unmap_data->idx_ref = av_buffer_ref(cf->idx_ref);
unmap_data->decoder_ref = av_buffer_ref(cf->decoder_ref);
if (!(unmap_data->idx_ref = av_buffer_ref(cf->idx_ref)) ||
!(unmap_data->decoder_ref = av_buffer_ref(cf->decoder_ref))) {
ret = AVERROR(ENOMEM);
goto copy_fail;
}
av_pix_fmt_get_chroma_sub_sample(hwctx->sw_format, &shift_h, &shift_v);
for (i = 0; frame->linesize[i]; i++) {