Re: [v2] net:ethernet:cavium:octeon:octeon_mgmt: Handle return NULL error from devm_ioremap

From: Florian Fainelli
Date: Wed Dec 14 2016 - 13:54:07 EST

On 12/14/2016 10:39 AM, arvind Yadav wrote:
> Hi David,
> I have gave my comment.
> Thanks
> Arvind
> On Wednesday 14 December 2016 11:44 PM, David Daney wrote:
>> On 12/14/2016 10:06 AM, arvind Yadav wrote:
>>> Yes, I have seen this error. We have a device with very less memory.
>>> Basically it's OMAP2 board. We have to port Android L on this.
>>> It's has 3.10 kernel version. In this device, we were getting Page
>>> allocation failure.
>> This makes absolutely no sense to me. OCTEON is a mips64 SoC with a
>> ton of memory where ioremap can never fail, and it doesn't run
>> Android, and you are talking about OMAP2.
> -I just gave as example where i have seen ioremap issue.
> Please don't relate. I know, Now it will not fail. ioremap will through
> NULL on failure. We should catch this error. Even other driver of MIPS
> soc is having same check. It's just check which will not impact any
> functionality or performance of this driver. It will avoid NULL pointer
> error. We know, if function is returning any error. we should catch.

Your patch subject should also be changed to insert spaces between
semicolon, so this would be:

net: ethernet: cavium: octeon: octeon_mgmt: