> Hello.
>
> On 03/06/2017 05:20 PM, Elena Reshetova wrote:
>
> > refcount_t type and corresponding API should be
> > used instead of atomic_t when the variable is used as
> > a reference counter. This allows to avoid accidental
> > refcounter overflows that might lead to use-after-free
> > situations.
> >
> > Signed-off-by: Elena Reshetova <[email protected]>
> > Signed-off-by: Hans Liljestrand <[email protected]>
> > Signed-off-by: Kees Cook <[email protected]>
> > Signed-off-by: David Windsor <[email protected]>
> [...]
> > diff --git a/drivers/media/pci/cx88/cx88.h b/drivers/media/pci/cx88/cx88.h
> > index 115414c..16c1313 100644
> > --- a/drivers/media/pci/cx88/cx88.h
> > +++ b/drivers/media/pci/cx88/cx88.h
> > @@ -24,6 +24,7 @@
> > #include <linux/i2c-algo-bit.h>
> > #include <linux/videodev2.h>
> > #include <linux/kdev_t.h>
> > +#include <linux/refcount.h>
> >
> > #include <media/v4l2-device.h>
> > #include <media/v4l2-fh.h>
> > @@ -339,7 +340,7 @@ struct cx8802_dev;
> >
> > struct cx88_core {
> > struct list_head devlist;
> > - atomic_t refcount;
> > + refcount_t refcount;
>
> Could you please keep the name aligned with above and below?
You mean "not aligned" to devlist, but with a shift like it was before?
Sure, will fix. Is the patch ok otherwise?
Best Regards,
Elena.
>
> >
> > /* board name */
> > int nr;
> >
>
> MBR, Sergei
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