Patryk Obara <patryk.ob...@gmail.com> writes: > Actually, I don't think I needed to remove free(graft) line, but I don't > know if freeing NULL is considered ok in git code. Let me know if I > should bring it back, please.
Calling free(var) when var may or may not be NULL is perfectly fine.
We even discourage people from writing:
if (var)
free(var);
because an unconditional call to free(var) is sufficient.
