The source project of this merge request has been removed.
vdpau: avoid use after freed in vlVdpVideoMixerUpdateDeinterlaceFilter
If you gonna check part of code above, you're gonna see that part of making pointer nil is missing:
/* remove existing filter */
if (vmixer->deint.filter) {
vl_deint_filter_cleanup(vmixer->deint.filter);
FREE(vmixer->deint.filter);
vmixer->deint.filter = NULL;
}