Re: [PATCH 0/5] refactor mpi_read_from_buffer()

From: Nicolai Stange
Date: Tue May 31 2016 - 15:07:37 EST


Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> writes:

> On Thu, May 26, 2016 at 11:19:50PM +0200, Nicolai Stange wrote:
>> mpi_read_from_buffer() and mpi_read_raw_data() do almost the same and share a
>> fair amount of common code.
>>
>> This patchset attempts to rewrite mpi_read_from_buffer() in order to implement
>> it in terms of mpi_read_raw_data().
>>
>> The patches 1 and 3, i.e.
>> "lib/mpi: mpi_read_from_buffer(): return error code"
>> and
>> "lib/mpi: mpi_read_from_buffer(): return -EINVAL upon too short buffer"
>> do the groundwork in that they move any error detection unique to
>> mpi_read_from_buffer() out of the data handling loop.
>>
>> The patches 2 and 4, that is
>> "lib/digsig: digsig_verify_rsa(): return -EINVAL if modulo length is zero"
>> and
>> "lib/mpi: mpi_read_from_buffer(): sanitize short buffer printk"
>> are not strictly necessary for the refactoring: they cleanup some minor oddities
>> related to error handling I came across.
>>
>> Finally, the last patch in this series,
>> "lib/mpi: refactor mpi_read_from_buffer() in terms of mpi_read_raw_data()"
>> actually does what this series is all about.
>>
>>
>> Applicable to linux-next-20160325.
>
> All applied.

Thanks! (As well as for applying the separately sent patches, of course)