[dpdk-dev] [PATCH v2] usertools: check 0-division with hugepage size

[Thomas Monjalon]

23/03/2021 12:30, Burakov, Anatoly:
> On 21-Mar-21 9:09 AM, Thomas Monjalon wrote:
> > The default page size can be None, and the page size from user request
> > can be 0 kB if lower than 1024. In these cases, a division will fail.
> > In order to avoid a Python exception, the page size is checked
> > and an error message "Invalid page size" is printed.
> > 
> > A similar error message is printed in set_hugepages()
> > if the size is not supported, except at this stage the message can be
> > completed with "Valid page sizes".
> > Unfortunately the first check is too early to print such information.
> > 
> > A third error message can be printed in a different place (get_memsize)
> > in case of a format issue, e.g. a negative size.
> > The function get_memsize() is also used for total requested size,
> > so the error message "not a valid page size" was potentially wrong.
> > This message is replaced with the more general "is not a valid size".
> > 
> > Signed-off-by: Thomas Monjalon <thomas at monjalon.net>
> > Acked-by: Stephen Hemminger <stephen at networkplumber.org>
> > ---
> > v2: use simple "if not" construct for both None and 0
> > ---
> Acked-by: Anatoly Burakov <anatoly.burakov at intel.com>

Applied