Date: Wed, 30 Apr 1997 16:29:05 +1000 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, msmith@atrad.adelaide.edu.au Cc: hackers@freebsd.org Subject: Re: Unloading LKMs (was Re: A Desparate Plea for Help...) Message-ID: <199704300629.QAA08621@godzilla.zeta.org.au>
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>> to garbage). Unloading followed by reloading obviously can't work,
>> because the driver only initializes the devsw once.
>
>Um, the driver initialises the devsw on every load, does it not? eg:
>
>static int
>qcam_load (struct lkm_table *lkmtp, int cmd)
>{
> if (qcam_probe(&qcam_mod_dev)) {
> qcam_attach(&qcam_mod_dev);
>
> qcam_drvinit(NULL); /* XXX this shouldn't NEED to be here
> * the LKM code should be doing this
> * for us! */
>...
Oops. The only related problem for loading is that errors for initializing
the devsw slot are ignored.
Bruce
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