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avfilter/vf_thumbnail: fix possible crash on error

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This commit is contained in:
Paul B Mahol 2020-02-10 15:42:52 +01:00
parent 32bc0e0444
commit e63a66416f
1 changed files with 1 additions and 1 deletions
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2
libavfilter/vf_thumbnail.c
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@ -162,7 +162,7 @@ static av_cold void uninit(AVFilterContext *ctx)
{
int i;
ThumbContext *s = ctx->priv;
for (i = 0; i < s->n_frames && s->frames[i].buf; i++)
for (i = 0; i < s->n_frames && s->frames && s->frames[i].buf; i++)
av_frame_free(&s->frames[i].buf);
av_freep(&s->frames);
}