From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QnnYe-00088j-Uv for barebox@lists.infradead.org; Mon, 01 Aug 2011 08:09:06 +0000 Date: Mon, 1 Aug 2011 10:09:02 +0200 From: Sascha Hauer Message-ID: <20110801080902.GB31404@pengutronix.de> References: <20110729155356.GF25658@game.jcrosoft.org> <1311995831-25350-8-git-send-email-plagnioj@jcrosoft.com> <20110801073240.GE20587@pengutronix.de> <20110801074721.GB6255@game.jcrosoft.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20110801074721.GB6255@game.jcrosoft.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 21/23] mci-core: switch to resource To: Jean-Christophe PLAGNIOL-VILLARD Cc: barebox@lists.infradead.org On Mon, Aug 01, 2011 at 09:47:21AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote: > On 09:32 Mon 01 Aug , Sascha Hauer wrote: > > On Sat, Jul 30, 2011 at 05:17:09AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote: > > > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD > > > --- > > > drivers/mci/mci-core.c | 2 +- > > > 1 files changed, 1 insertions(+), 1 deletions(-) > > > > > > diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c > > > index 3cf364c..c03885b 100644 > > > --- a/drivers/mci/mci-core.c > > > +++ b/drivers/mci/mci-core.c > > > @@ -1231,7 +1231,7 @@ static int mci_card_probe(struct device_d *mci_dev) > > > p->priv = mci_dev; > > > > > > strcpy(disk_dev->name, "disk"); > > > - disk_dev->size = mci->capacity; > > > + disk_dev->resource[0].size = mci->capacity; > > > disk_dev->platform_data = p; > > > > Resources for a device must be allocated. I already fixed this once with > > the following. Please do not reintroduce this bug again. > > > > (and honestly, this registering of the "disk" device is just a crude way > > of passing around data in a void pointer. The real solution for this is > > to just add a register_ata_interface() function instead of registering a > > device.) > agreed I plan to get rid of this but first need to fininsh the map_base frop > > but as we drop map_base and size so we need to do like this Ok, but please allocate the space for the resource then. I thought about using mapping the vector page to the top of the memory space. Then we could get proper NULL pointer deref aborts to catch things like this. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox