linux-kernel - Re: [PATCH 1/4] vmbus: Improve a size determination in vmbus_device

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Date:   Thu, 11 May 2017 19:47:54 +0200
From:   Greg KH <greg@...ah.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, devel@...uxdriverproject.org
Subject: Re: [PATCH 1/4] vmbus: Improve a size determination in
 vmbus_device_create()

On Thu, May 11, 2017 at 09:30:56AM -0700, Stephen Hemminger wrote:
> On Thu, 11 May 2017 18:15:46 +0200
> SF Markus Elfring <elfring@...rs.sourceforge.net> wrote:
> 
> > From: Markus Elfring <elfring@...rs.sourceforge.net>
> > Date: Thu, 11 May 2017 17:30:10 +0200
> > 
> > Replace the specification of a data structure by a pointer dereference
> > as the parameter for the operator "sizeof" to make the corresponding size
> > determination a bit safer according to the Linux coding style convention.
> > 
> > Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> > ---
> >  drivers/hv/vmbus_drv.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
> > index 0087b49095eb..6802d74f162c 100644
> > --- a/drivers/hv/vmbus_drv.c
> > +++ b/drivers/hv/vmbus_drv.c
> > @@ -1145,5 +1145,5 @@ struct hv_device *vmbus_device_create(const uuid_le *type,
> >  {
> >  	struct hv_device *child_device_obj;
> >  
> > -	child_device_obj = kzalloc(sizeof(struct hv_device), GFP_KERNEL);
> > +	child_device_obj = kzalloc(sizeof(*child_device_obj), GFP_KERNEL);
> >  	if (!child_device_obj) {
> 
> This looks fine.
> 
> Acked-by: Stephen Hemminger <stephen@...workplumber.org>

Note, I have a blacklist filter for this person for a reason, I, and
many other maintainers, just ignore them for good reason...

greg k-h