Re: [PATCH 4/11] use ether_addr_equal_64bits

Joe Perches
2013-12-30T23:17:08Z

On Tue, 2013-12-31 at 00:13 +0100, Johannes Berg wrote:
> On Mon, 2013-12-30 at 19:57 -0200, Henrique de Moraes Holschuh wrote:
> > On Mon, 30 Dec 2013, Johannes Berg wrote:
> > > On Mon, 2013-12-30 at 20:58 +0100, Julia Lawall wrote:
> > > > > Is there any way we could catch (sparse, or some other script?) that
> > > > > struct reorganising won't break the condition needed ("within a
> > > > > structure that contains at least two more bytes")?
> > > >
> > > > What kind of reorganizing could happen? Do you mean that the programmer
> > > > might do at some time in the future, or something the compiler might do?
> > >
> > > I'm just thinking of a programmer, e.g. changing a struct like this:
> > >
> > > struct foo {
> > > u8 addr[ETH_ALEN];
> > > - u16 dummy;
> > > };

I don't know of a way to catch that.
Anyone else?