[An extra null pointer check is not needed in functions](https://isocpp.org/wiki/faq/freestore-mgmt#delete-handles-null "Do I need to check for null before delete p?") like the following. - [tracing_uninit](https://github.com/fraunhoferhhi/vvdec/blob/ac6cbc0b2b857e6f39b89ad6b59a94af796d23d8/source/Lib/CommonLib/dtrace_next.h#L159 "tracing_uninit function") - [VVDecImpl::vvdec_frame_reset](https://github.com/fraunhoferhhi/vvdec/blob/ac6cbc0b2b857e6f39b89ad6b59a94af796d23d8/source/Lib/vvdec/vvdecimpl.cpp#L1531 "VVDecImpl::vvdec_frame_reset function") - [vvdec_params_free](https://github.com/fraunhoferhhi/vvdec/blob/ac6cbc0b2b857e6f39b89ad6b59a94af796d23d8/source/Lib/vvdec/vvdec.cpp#L72 "vvdec_params_free function")