Merge commit '620f88a0'

* commit '620f88a0':
  vaapi_h264: Add missing return value check
  h264_metadata: Fix clearing SEI payload in error case
  cbs_h2645: Fix memory leak on when reading SEI fails
  cbs: Add a missing return value check

This commit is a noop, see
03b14700
d792613b
41272e11
6734eef6Merged-by: Mark Thompson <sw@jkqxz.net>