Re: [PATCH 4/11] use ether_addr_equal_64bits

From: Johannes Berg
Date: Mon Dec 30 2013 - 16:25:44 EST


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;
};

for example.

johannes

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