netdev - Re: [PATCH v4 2/5] net: ethernet: cpsw: add optional third memory region for CONTROL module

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <52178BED.1070308@gmail.com>
Date:	Fri, 23 Aug 2013 18:21:01 +0200
From:	Daniel Mack <zonque@...il.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
CC:	netdev@...r.kernel.org, bcousson@...libre.com, nsekhar@...com,
	davem@...emloft.net, ujhelyi.m@...il.com, mugunthanvnm@...com,
	vaibhav.bedia@...com, d-gerlach@...com,
	linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v4 2/5] net: ethernet: cpsw: add optional third memory
 region for CONTROL module

On 23.08.2013 16:59, Sergei Shtylyov wrote:
> On 23-08-2013 18:16, Daniel Mack wrote:

>> +	priv->gmii_sel_reg = devm_ioremap_resource(&pdev->dev, res);
>> +	if (IS_ERR(priv->gmii_sel_reg)) {
>> +		dev_err(priv->dev, "unable to map control i/o region\n");
> 
>     You didn't actually seem to heed my words about error message.

Well yes I did, but only in the check for platform_get_resource(). As
the comment says - we pass on if that memory region is not given, but if
it is given, it also has to be valid.

> And don't  you want to do:
> 
> 	res = PTR_ERR(priv->gmii_sel_reg);


Erm, of course. Sorry for that.


Daniel

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html