Re: [PATCH] staging: vt6656: Don't leak memory indrivers/staging/vt6656/ioctl.c::private_ioctl()

From: Jesper Juhl
Date: Wed Apr 11 2012 - 19:37:21 EST


On Wed, 11 Apr 2012, Greg Kroah-Hartman wrote:

> On Thu, Apr 12, 2012 at 01:17:52AM +0200, Jesper Juhl wrote:
> > On Wed, 11 Apr 2012, Greg Kroah-Hartman wrote:
> >
> > > On Wed, Apr 11, 2012 at 06:46:33PM -0400, Xi Wang wrote:
> > > > On Apr 11, 2012, at 6:35 PM, Jesper Juhl wrote:
> > > >
> > > > > - pNodeList = (PSNodeList)kmalloc(sizeof(SNodeList) + (sNodeList.uItem * sizeof(SNodeItem)), (int)GFP_ATOMIC);
> > > > > + pNodeList = kmalloc(sizeof(SNodeList) + (sNodeList.uItem * sizeof(SNodeItem)), (int)GFP_ATOMIC);
> > > >
> > > > Can you also remove casts like "(int)GFP_ATOMIC"?
> > > >
> > > > The parentheses "(sNodeList.uItem * sizeof(SNodeItem))" are also
> > > > pointless..
> > >
> > > One thing at a time, odds are this is an "automated" patch, right
> > > Jesper?
> > >
> >
> > I'm not quite sure what you mean by "automated patch" Greg. Manually
> > editing the file in emacs, then running "git format-patch", followed by
> > importing the patch file into alpine and sending it off surely didn't
> > feel "automated" ;-)
>
> Sorry, I thought this was scripted, my apologies.
>
No need for apologies. Not at all.
But I'm currious to learn that some people submit entirely
scripted/automated patches - I didn't expect that... Ohh well, you live
and learn ;-)


> > The only reason I even included the change of the return value cast was
> > that it was the variable I was focusing on with regards to fixing the
> > leak, so it felt "sufficiently related" to include in the same patch.
> > I certainly was not on a mission to clean up the file in general - just
> > fixing the leak was all that was really on the agenda.
> > I don't *mind* fixing up other issues in the file - sure, I can do that,
> > but that's an entirely different set of patches then...
>
> I agree, this patch is fine as-is, thanks.
>
You are welcome :-)

--
Jesper Juhl <jj@xxxxxxxxxxxxx> http://www.chaosbits.net/
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