On Sat, 9 Apr 2005, Francois Romieu wrote:
> Manfred Spraul <[email protected]> :
> > [Jeff added to cc list - it's a network driver question]
> [...]
> > I haven't read the whole driver, but what about
> > spin_unlock_wait(&dev->xmit_lock);
> > ?
>
> The race here is a dev->close() against dev->hard_start_xmit() one where
> dev->hard_start_xmit() does not do any locking at all.
>
I always thought that all callers of dev->hard_start_xmit() acquire
dev->xmit_lock before calling hard_start_xmit().
Is that assumption wrong? I think I even rely on that in one of my
drivers.
--
Manfred
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