Klocwork made another run and found a bunch more problems.
This is the first batch of fixes that should be easy to verify based on context.

This fixes problem numbers: 220 (ast), 323-324 (symtable),
321-322 (structseq), 215 (array), 210 (hotshot), 182 (codecs), 209 (etree).
diff --git a/Misc/README.klocwork b/Misc/README.klocwork
index a22715e..6d2f57f 100644
--- a/Misc/README.klocwork
+++ b/Misc/README.klocwork
@@ -23,4 +23,8 @@
 False positives were also annotated so that the comments can
 be reviewed and reversed if the analysis was incorrect.
 
+A second run was performed on 10-Aug-2006.  The tool was tuned to remove
+some false positives and perform some additional checks.  ~150 new
+warnings were produced, primarily related to dereferencing NULL pointers.
+
 Contact python-dev@python.org for more information.