src/sys/kern/kern_conf.c - diff

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version 1.6, 2004/01/20 05:04:06	version 1.7, 2004/05/13 00:23:39
Line 215 make_dev(struct cdevsw *devsw, int minor	Line 215 make_dev(struct cdevsw *devsw, int minor
return (dev);	return (dev);
}	}

	/*
	* Because the device might not be immediately removed, destroy_dev
	* must clean out any potential module data references and install
	* a device switch that returns an error for all future requests.
	*/
void	void
destroy_dev(dev_t dev)	destroy_dev(dev_t dev)
{	{
	static struct cdevsw dead_cdevsw;

	if (dead_cdevsw.d_port == NULL)
	compile_devsw(&dead_cdevsw);
dev->si_drv1 = 0;	dev->si_drv1 = 0;
dev->si_drv2 = 0;	dev->si_drv2 = 0;
dev->si_devsw = 0;	dev->si_devsw = &dead_cdevsw;
freedev(dev);	freedev(dev);
}	}