Hi Peter Thanks for the patch, but I think it can be improved: On Sun, 23 Sep 2012, Mauro Carvalho Chehab wrote: > Please review, > > Regards, > Mauro. > > > -------- Mensagem original -------- > Assunto: [PATCH 2/14] drivers/media/platform/soc_camera/mx2_camera.c: fix error return code > Data: Thu, 6 Sep 2012 17:23:59 +0200 > De: Peter Senna Tschudin <peter.senna@xxxxxxxxx> > Para: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx> > CC: kernel-janitors@xxxxxxxxxxxxxxx, Julia.Lawall@xxxxxxx, linux-media@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx > > From: Peter Senna Tschudin <peter.senna@xxxxxxxxx> > > 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@xxxxxxxxx> > > --- > drivers/media/platform/soc_camera/mx2_camera.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c > index 256187f..f8884a7 100644 > --- a/drivers/media/platform/soc_camera/mx2_camera.c > +++ b/drivers/media/platform/soc_camera/mx2_camera.c > @@ -1800,13 +1800,16 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) > > if (!res_emma || !irq_emma) { > dev_err(&pdev->dev, "no EMMA resources\n"); > + err = -ENODEV; > goto exit_free_irq; > } > > pcdev->res_emma = res_emma; > pcdev->irq_emma = irq_emma; > - if (mx27_camera_emma_init(pcdev)) > + if (mx27_camera_emma_init(pcdev)) { > + err = -ENODEV; I think, propagating the error, returned by mx27_camera_emma_init() to the caller would be better, than using -ENODEV. Thanks Guennadi > goto exit_free_irq; > + } > } > > pcdev->soc_host.drv_name = MX2_CAM_DRV_NAME, > > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
