linux-kernel - Re: [PATCH] of/pdt: allow DT device matching by fixing 'name' brokenness (v3)

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: <20110224024708.GA12139@angua.secretlab.ca>
Date:	Wed, 23 Feb 2011 19:47:08 -0700
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Andres Salomon <dilinger@...ued.net>
Cc:	Daniel Drake <dsd@...top.org>, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org,
	"David S. Miller" <davem@...emloft.net>, sparclinux@...r.kernel.org
Subject: Re: [PATCH] of/pdt: allow DT device matching by fixing 'name'
 brokenness (v3)

On Wed, Feb 23, 2011 at 04:34:42PM -0800, Andres Salomon wrote:
> 
> Commit e2f2a93b changed dp->name from using the 'name' property to
> using package-to-path.  This fixed /proc/device-tree creation by
> eliminating conflicts between names (the 'name' property provides
> names like 'battery', whereas package-to-path provides names like
> '/foo/bar/battery@0', which we stripped to 'battery@0').  However,
> it also breaks of_device_id table matching.
> 
> The fix that we _really_ wanted was to keep dp->name based upon
> the name property ('battery'), but based dp->full_name upon
> package-to-path ('battery@0').  This patch does just that.
> 
> This also changes OLPC behavior to use the full result from
> package-to-path for full_name, rather than stripping the directory
> out.  In practice, the strings end up being exactly the same; this
> change saves time, code, and memory.
> 
> v2: combine two patches and revert of_pdt_node_name to original version
> v3: use dp->phandle instead of passing around node
> 
> Signed-off-by: Andres Salomon <dilinger@...ued.net>

This addresses one of my comments on v2; but it doesn't address the
comment that the broken implementation of of_pdt_node_name for
non-sparc still remains, or am I missing something?

g.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/