Re: [PATCH v2 1/6] remote: fix tear down of struct branch and struct remote

> Junio C Hamano <gitster@pobox.com> writes:
> 
>> Jacob Keller <jacob.e.keller@intel.com> writes:
>>
>>> We initialize branch->merge with set_merge() which is called by
>>> branch_get() and which is the only way for callers external to remote.c
>>> of getting a branch structure.
>>>
>>> The issue is that merge_nr can be non-zero because if no caller has done
>>> a branch_get() on the given branch, we still have merge_nr is non-zero
>>> and merge is NULL.
>>
>> Meaning merge_nr and merge are both uninitialized and unlikely to be
>> 0 and NULL?  What values do they have, and if they are left
>> uninitialized, shouldn't we be initializing them to predictable
>> values?
> 
> Ah, no, I was just being stupid.
> 
> We read configuration files and accumulate things in .merge_name[]
> while incrementing .merge_nr but until set_merge() is called, .merge
> is NULL.  We need to clear .merge[] only when it is not NULL, of
> course.  And for that, it may be more readable if we had two loops.
> 
> Thanks.
> 
> 
>