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dvbsubdec: Free subrect memory on allocation error
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
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1cfd566324
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@ -1293,6 +1293,10 @@ static int dvbsub_display_end_segment(AVCodecContext *avctx, const uint8_t *buf,
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for (i = 0; i < sub->num_rects; i++) {
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sub->rects[i] = av_mallocz(sizeof(*sub->rects[i]));
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if (!sub->rects[i]) {
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int j;
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for (j = 0; j < i; j ++)
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av_free(sub->rects[j]);
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av_free(sub->rects);
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return AVERROR(ENOMEM);
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}
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}
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@ -1335,6 +1339,8 @@ static int dvbsub_display_end_segment(AVCodecContext *avctx, const uint8_t *buf,
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rect->data[1] = av_mallocz(AVPALETTE_SIZE);
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if (!rect->data[1]) {
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for (i = 0; i < sub->num_rects; i++)
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av_free(sub->rects[i]);
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av_free(sub->rects);
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return AVERROR(ENOMEM);
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}
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@ -1343,6 +1349,8 @@ static int dvbsub_display_end_segment(AVCodecContext *avctx, const uint8_t *buf,
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rect->data[0] = av_malloc(region->buf_size);
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if (!rect->data[0]) {
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av_free(rect->data[1]);
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for (i = 0; i < sub->num_rects; i++)
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av_free(sub->rects[i]);
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av_free(sub->rects);
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return AVERROR(ENOMEM);
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}
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