Re: [PATCH] drivers/char/serial.c unchecked ioremap() calls

Jeff Garzik (jgarzik@mandrakesoft.com)
Fri, 23 Feb 2001 09:15:29 -0500

Arnaldo Carvalho de Melo wrote:
>
> Em Fri, Feb 23, 2001 at 10:53:59AM +0300, Andrey Panin escreveu:
> >
> > Hi all,
> >
> > 16x50 serial driver doesn't check ioremap() return value.
> > Atached patch should fix this it.
>
> humm, have not checked, but it seems as if you don't release the previous
> successful mappings on failure. Wipe out this message if I was too quick to
> answer and this is not true. 8)

Also, the proper return from a failed ioremap is -ENOMEM, so I think
Andrey's serial.c patch should modify some functions to return a failure
code...

Jeff

-- 
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
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