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Message-ID: <20140924094229.GB5811@mwanda>
Date: Wed, 24 Sep 2014 12:42:29 +0300
From: Dan Carpenter <dan.carpenter@...cle.com>
To: Daeseok Youn <daeseok.youn@...il.com>
Cc: devel@...verdev.osuosl.org, lidza.louina@...il.com,
driverdev-devel@...uxdriverproject.org,
linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Subject: Re: [PATCH 2/3] staging: dgap: adds missing iounmap for re_map_port
in dgap_release_remap()
On Wed, Sep 24, 2014 at 12:36:48PM +0300, Dan Carpenter wrote:
> On Tue, Sep 23, 2014 at 09:22:08AM +0900, Daeseok Youn wrote:
> > Signed-off-by: Daeseok Youn <daeseok.youn@...il.com>
> > ---
> > drivers/staging/dgap/dgap.c | 1 +
> > 1 files changed, 1 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
> > index 779d144..637ea8a 100644
> > --- a/drivers/staging/dgap/dgap.c
> > +++ b/drivers/staging/dgap/dgap.c
> > @@ -1026,6 +1026,7 @@ static void dgap_release_remap(struct board_t *brd)
> > release_mem_region(brd->membase, 0x200000);
> > release_mem_region(brd->membase + PCI_IO_OFFSET, 0x200000);
> > iounmap(brd->re_map_membase);
> > + iounmap(brd->re_map_port);
>
>
> I don't think it matters, but at least aesthetically it would be better
> to unmap first and then release the regions. (You can do this in a
> different patch).
>
Also dgap_do_remap() unwinds in the wrong order and is sucky. It should
use gotos.
Also the name dgap_do_remap() isn't great. Remap is a verb not a noun
so the "_do" isn't needed. Just dgap_remap() and dgap_release_remap()
could be changed to dgap_unmap().
regards,
dan carpenter
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