Re: [PATCH 1/8] firmware: vpd: do not leave freed section attributes to the list

From: Greg Kroah-Hartman
Date: Thu May 25 2017 - 12:50:42 EST


On Thu, May 25, 2017 at 09:35:25AM -0700, Dmitry Torokhov wrote:
> On Thu, May 25, 2017 at 03:40:58PM +0200, Greg Kroah-Hartman wrote:
> > On Tue, May 23, 2017 at 05:07:41PM -0700, Dmitry Torokhov wrote:
> > > We should only add section attribute to the list of section attributes
> > > if we successfully created corresponding sysfs attribute.
> > >
> > > Fixes: 049a59db34eb ("firmware: Google VPD sysfs driver")
> > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> > > Reviewed-by: Guenter Roeck <groeck@xxxxxxxxxxxx>
> > > ---
> > > drivers/firmware/google/vpd.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > Next time, can you split this up into 2 series, one for the current
> > kernel, and the rest for the "next" release? I've tried to split them
> > up myself here, hopefully it works...
>
> OK, I will. It is just I did not consider either of issues serious
> enough so they could not wait for next release: failure to allocate tiny
> amounts of memory is impossible to trigger with current kernels. Same
> goes for the other patches. For example, one needs to not only manage to
> get sysfs attribute creation to fail, but also then unload the driver,
> to trigger the issue. Unlikely to happen in real life.

Ah, ok, that would have been good to know too :)