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SubjectRe: [PATCH 5/5] drivers/media/platform/omap3isp/isp.c: fix error return code
Date
Hi,

On Sunday 23 September 2012 19:46:53 Peter Senna Tschudin wrote:
> On Sun, Sep 23, 2012 at 7:39 PM, Mauro Carvalho Chehab wrote:
> > Laurent,
> >
> > Could you please review this patch?
> >
> > Peter,
> >
> > Please, always c/c the driver maintainer/author on patches you submit.
> >
> > You can check it with scripts/get_maintainer.pl.
>
> Sorry for that. I'll be more careful next time. Thanks!
>
> > Regards,
> > Mauro
> >
> > -------- Mensagem original --------
> > Assunto: [PATCH 5/5] drivers/media/platform/omap3isp/isp.c: fix error
> > return code Data: Tue, 4 Sep 2012 18:14:25 +0200
> > De: Peter Senna Tschudin <peter.senna@gmail.com>
> > Para: Mauro Carvalho Chehab <mchehab@infradead.org>
> > CC: kernel-janitors@vger.kernel.org, Julia.Lawall@lip6.fr,
> > linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
> >
> > From: Peter Senna Tschudin <peter.senna@gmail.com>
> >
> > Convert a nonnegative error return code to a negative one, as returned
> > elsewhere in the function.
> >
> > A simplified version of the semantic match that finds this problem is as
> > follows: (http://coccinelle.lip6.fr/)
> >
> > // <smpl>
> > (
> > if@p1 (\(ret < 0\|ret != 0\))
> >
> > { ... return ret; }
> >
> > ret@p1 = 0
> > )
> > ... when != ret = e1
> >
> > when != &ret
> >
> > *if(...)
> > {
> >
> > ... when != ret = e2
> >
> > when forall
> >
> > return ret;
> >
> > }
> >
> > // </smpl>
> >
> > Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
> >
> > ---
> >
> > drivers/media/platform/omap3isp/isp.c | 4 +++-
> > 1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/media/platform/omap3isp/isp.c
> > b/drivers/media/platform/omap3isp/isp.c index e0096e0..91fcaef 100644
> > --- a/drivers/media/platform/omap3isp/isp.c
> > +++ b/drivers/media/platform/omap3isp/isp.c
> > @@ -2102,8 +2102,10 @@ static int __devinit isp_probe(struct
> > platform_device *pdev)>
> > if (ret < 0)
> > goto error;
> >
> > - if (__omap3isp_get(isp, false) == NULL)
> > + if (__omap3isp_get(isp, false) == NULL) {
> > + ret = -EBUSY; /* Not sure if EBUSY is best for here */

I've replaced -EBUSY with -ENODEV, removed the comment and applied the patch
to my tree. Thanks.

> > goto error;
> > + }
> >
> > ret = isp_reset(isp);
> > if (ret < 0)

--
Regards,

Laurent Pinchart



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