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avfilter/vf_signature: fix memory leaks in error cases 

Fixes CIDs 1403234 and 1403235
This commit is contained in:
Timo Rothenpieler 2017-06-11 15:29:35 +02:00
parent a5b5ce2658
commit feb13aed79
1 changed files with 4 additions and 1 deletions
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5
libavfilter/vf_signature.c
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@ -260,8 +260,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *picref)
if (!elemsignature)
return AVERROR(ENOMEM);
sortsignature = av_malloc_array(elemcat->elem_count, sizeof(int64_t));
if (!sortsignature)
if (!sortsignature) {
av_freep(&elemsignature);
return AVERROR(ENOMEM);
}
for (j = 0; j < elemcat->elem_count; j++) {
blocksum = 0;
@ -508,6 +510,7 @@ static int binary_export(AVFilterContext *ctx, StreamContext *sc, const char* fi
char buf[128];
av_strerror(err, buf, sizeof(buf));
av_log(ctx, AV_LOG_ERROR, "cannot open file %s: %s\n", filename, buf);
av_freep(&buffer);
return err;
}
init_put_bits(&buf, buffer, len);