scipy/scipy — pull request #4181 by juliantaylor (2014-11-22 16:55:33+00:00)
Title: MAINT: remove unnecessary null checks before free

free is required to handle null in all versions of the C standard and
15+ year olds systems which might not comply to this basic requiremnent
likely can't run current scipy anyway.
Patch generated with semantic patch:

@@
expression E;
@@

- if (E != NULL) {
- free(E);
- }
+ free(E);