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avfilter/vf_removelogo: fix memleak on failure
Fixes CID751770 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -318,12 +318,16 @@ static av_cold int init(AVFilterContext *ctx)
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for (a = 0; a <= s->max_mask_size; a++) {
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mask[a] = (int **)av_malloc(sizeof(int *) * ((a * 2) + 1));
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if (!mask[a])
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if (!mask[a]) {
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av_free(mask);
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return AVERROR(ENOMEM);
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}
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for (b = -a; b <= a; b++) {
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mask[a][b + a] = (int *)av_malloc(sizeof(int) * ((a * 2) + 1));
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if (!mask[a][b + a])
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if (!mask[a][b + a]) {
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av_free(mask);
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return AVERROR(ENOMEM);
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}
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for (c = -a; c <= a; c++) {
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if ((b * b) + (c * c) <= (a * a)) /* Circular 0/1 mask. */
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mask[a][b + a][c + a] = 1;
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