Re: New NULL dereference in sequence.c

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Neil Horman <nhorman@xxxxxxxxxxxxx> writes:

>> >         if (!head_commit || parse_commit(head_commit))
>> >             return error(_("could not parse commit %s\n"),
>> >                      sha1_to_hex(head_commit->object.sha1));

[...]

> Have you actually seen this problem occur? It seems to me that the
> only way head_commit could be NULL is in the event that HEAD wasn't a
> commit object, whcih I don't think can be the case unless something
> else is very wrong with your tree.

I don't know whether it can actually happen, but if it can't happen,
then the if() condition should be rewritten. As it is, it explicitly
allows head_commit to be NULL within the if body.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/
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