Re: [patch] 2.4.2 Advantech WDT driver

Jeff Garzik (jgarzik@mandrakesoft.com)
Sat, 03 Mar 2001 13:53:03 -0500


Marek Michalkiewicz wrote:
>
> > Why is lock_kernel necessary?
>
> Well, it is there in 2.4.2 acquirewdt.c (which this driver is based on -
> really only minimal changes, the hardware is only slightly different).
> I can remove it if you tell me it's really not necessary.

Sounds like it got caught in an audit and is necessary, I didn't look
closely...

> > > + spin_lock_init(&advwdt_lock);
> > > + misc_register(&advwdt_miscdev);
> >
> > check return code for error
>
> Again, acquirewdt.c doesn't do it with the misc_register, request_region
> and register_reboot_notifier calls. (Should it? Cc: Alan Cox)

Yes, the return codes should be checked. :)

-- 
Jeff Garzik       | "You see, in this world there's two kinds of
Building 1024     |  people, my friend: Those with loaded guns
MandrakeSoft      |  and those who dig. You dig."  --Blondie
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/