Re: [PATCH 2/3] staging: dgap: adds missing iounmap for re_map_port in dgap_release_remap()

[Dan Carpenter <dan.carpenter@oracle.com>]

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@gmail.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