Messages in this thread | | | From | Andy Shevchenko <> | Date | Sat, 9 Jun 2018 22:34:43 +0300 | Subject | Re: [PATCH] staging: rts5208: add check on NULL before dereference |
| |
On Sat, Jun 9, 2018 at 7:58 PM, <okaya@codeaurora.org> wrote: > On 2018-06-09 12:38, Anton Vasilyev wrote: >> >> If rtsx_probe fails to allocate dev->chip, then NULL pointer >> dereference occurs at rtsx_release_resources(). >> >> Patch adds checks chip on NULL before its dereference at >> rtsx_release_resources and passing with dereference inside >> rtsx_release_chip. >> >> Found by Linux Driver Verification project (linuxtesting.org).
> I think you should bail out if dev->chip is null rather than adding > conditiinals.
I'm wondering if it's false positive. At which circumstances that may happen?
-- With Best Regards, Andy Shevchenko
| |