[FFmpeg-cvslog] lavfi/dnn/dnn_io_proc.c: fix Improper use of negative value (NEGATIVE_RETURNS)

ffmpeg | branch: master | Guo, Yejun | Tue May 11 13:46:49 2021 +0800| [3fb1d2e71c1c92ce282b373cd0319bfec56be2db] | committer: Guo, Yejun lavfi/dnn/dnn_io_proc.c: fix Improper use of negative value (NEGATIVE_RETURNS) fix coverity CID 1473511 and 1473566 > http://git.videolan.org/gitweb.cgi/ff

[FFmpeg-cvslog] lavfi/vf_dnn_processing.c: fix CID 1460603

ffmpeg | branch: master | Guo, Yejun | Tue May 11 14:05:18 2021 +0800| [4718d74c5888457bca49aa02187841905e259d57] | committer: Guo, Yejun lavfi/vf_dnn_processing.c: fix CID 1460603 CID 1460603 (#1 of 1): Improper use of negative value (NEGATIVE_RETURNS) > http://git.videolan.org/gitweb.cgi/ff

[FFmpeg-cvslog] lavfi/dnn/dnn_io_proc.c: Fix Out-of-bounds access (ARRAY_VS_SINGLETON)

ffmpeg | branch: master | Guo, Yejun | Tue May 11 12:31:02 2021 +0800| [bd6ea9ed1d7110601a83722b94c5a2d66feb511d] | committer: Guo, Yejun lavfi/dnn/dnn_io_proc.c: Fix Out-of-bounds access (ARRAY_VS_SINGLETON) fix coverity CID 1473571, 1473577 and 1482089 > http://git.videolan.org/gitweb.cgi/f