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SubjectRe: [patch] 2.4.0, 2.2.18: A critical problem with tty_io.c
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> - implements tty->ldisc_sem to plug race between do_tty_hangup()
> and tty_set_ldisc(). Is this the ldisc race to which you refer?

Actually I'd missed that one. I was referring to the module race on the ldisc

> +#ifdef CONFIG_MODULES
> + struct module *owner;
> +#endif

I'd rather the field was always there. THIS_MODULE is correctly NULL for non
modules. Doing that makes all the ifdefs vanish and probably makes it a lot
more likely to pass Linus


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