Some time ago, Daniel Veillard assured me that xmlFree(NULL) is valid in regular use, and with upstream code since January it's ok even in a debug mode that's not normally available because it's ifdef'd out: http://mail.gnome.org/archives/svn-commits-list/2008-January/msg02233.html Since the potential NULL-deref in debug mode is now gone, we can now use this to prevent any new useless tests: also check for useless test-before-xmlFree * Makefile.cfg (useless_free_options): Add --name=xmlFree. diff --git a/Makefile.cfg b/Makefile.cfg index e0d5528..cbf97c2 100644 --- a/Makefile.cfg +++ b/Makefile.cfg @@ -53,5 +53,6 @@ local-checks-to-skip = \ useless_free_options = \ --name=sexpr_free \ + --name=xmlFree \ --name=xmlXPathFreeContext \ --name=xmlXPathFreeObject -- 1.5.5.1.68.gbdcd8