RE: [PATCH v2] staging/comedi/dt282x: avoid integer overflow warning

From: Hartley Sweeten
Date: Thu Mar 17 2016 - 12:59:19 EST

On Thursday, March 17, 2016 9:09 AM, Arnd Bergmann wrote:
> On Thursday 17 March 2016 15:47:57 Hartley Sweeten wrote:
>> On Wednesday, March 16, 2016 1:51 PM, Arnd Bergmann wrote:
>> Is this a gcc-6 specific issue? Seems line this warning should be showing
>> up in a lot of drivers.
> Yes, I did not see this before moving to gcc-6.0, but this is the only driver
> I've encountered the warning for, in around 7000 randconfig builds.


> Feel free to come up with a different patch. I've put the patch on
> my 'submitted' stack for now and will get back to it after 4.7-rc1 if
> the warning remains.

I'll post an alternate patch shortly that is more consistent with the
other comedi drivers.

If you could test that it fixes the gcc-6 issue that would be great!