Re: [PATCH 4/8] input: Remove OOM message after input_allocate_device

From: Dmitry Torokhov
Date: Thu Oct 24 2013 - 15:10:50 EST


On Thu, Oct 24, 2013 at 11:45:39AM -0700, Joe Perches wrote:
> On Thu, 2013-10-24 at 11:37 -0700, Dmitry Torokhov wrote:
> > Hi Joe,
> >
> > On Wed, Oct 23, 2013 at 12:14:50PM -0700, Joe Perches wrote:
> > > Emitting an OOM message isn't necessary after input_allocate_device
> > > as there's a generic OOM and a dump_stack already done.
> >
> > No, please don't. The kzalloc may get changed in the future to not dump
> > stack (that was added originally because not everyone was handling OOM
> > properly, right?), input core might get changed to use something else
> > than kzalloc, etc, etc.
> >
> > The majority of errors use dev_err so we also get idea what device
> > failed (if there are several), and more.
>
> I think that's not valuable as input_allocate_device already has
> dozens of locations that don't emit a specific OOM and centralizing
> the location for any generic message would work anyway.

Not having diagnostic messages in some of the drivers is hardly a
justification to remove them from everywhere else.

--
Dmitry
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