On Tue, Feb 07, 2017 at 04:34:57PM +0200, Joonas Lahtinen wrote:
> On ti, 2017-02-07 at 16:16 +0300, Dan Carpenter wrote:
> > If "caps.buf" is already NULL then it doesn't need to be freed or set to
> > NULL.
> >
> > Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
>
> <SNIP>
>
> > @@ -965,11 +965,8 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev,
> > unsigned int cmd,
> > sparse->areas[0].offset =
> > PAGE_ALIGN(vgpu_aperture_offset(vgpu));
> > sparse->areas[0].size = vgpu_aperture_sz(vgpu);
> > - if (!caps.buf) {
>
> Looking at the code around, the right thing would be to just remove the
> negation? This currently seems like a memory leak.
>
> > - kfree(caps.buf);
> > - caps.buf = NULL;
> > + if (!caps.buf)
> > caps.size = 0;
> > - }
>
> And quickly looking, the caps is pre-initialized but unused at this
> point, so the whole if could just be removed, right?
Hm... Duh. You're right. Let me resend.
regards,
dan carpenter
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