Re: selinux: Delete an error message for a failed memory allocation in policydb_read()

From: Paul Moore
Date: Sat Mar 25 2017 - 11:45:30 EST


On Fri, Mar 24, 2017 at 8:13 AM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
>>> Omit an extra message for a memory allocation failure in this function.
>>>
>>> Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
>>> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
>>> ---
>>> security/selinux/ss/policydb.c | 5 +----
>>> 1 file changed, 1 insertion(+), 4 deletions(-)
>>
>> I'm not going to remove an error message without some better reasoning
>> in the patch description. Providing a link to slides is fine, but
>> your commit message needs to convey the important information and I
>> don't think that is the case here (what happens when that URL dies?).
>
> Do you need an explicit reminder there that the function âkmallocâ provides its own
> error reporting already because the flag â__GFP_NOWARNâ was not passed here?

That is what I said by "better reasoning in the patch description",
however, now that I'm looking at this again, I don't think I'm going
to merge this. Yes, maybe in some cases it is a bit wasteful, but I
like the error message.

--
paul moore
www.paul-moore.com