linux-kernel - Re: [2.6.24-rc6-mm1]Build failure in drivers/net/ehea/ehea

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Message-ID: <20080128182139.GB28861@kroah.com>
Date:	Mon, 28 Jan 2008 10:21:39 -0800
From:	Greg KH <greg@...ah.com>
To:	Nathan Lynch <ntl@...ox.com>
Cc:	Jan-Bernd Themann <ossthema@...ibm.com>,
	Sudhir Kumar <skumar@...ux.vnet.ibm.com>,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	sam@...nborg.org, Christoph Raisch <raisch@...ibm.com>
Subject: Re: [2.6.24-rc6-mm1]Build failure in drivers/net/ehea/ehea_main.c

On Fri, Jan 25, 2008 at 01:10:48PM -0600, Nathan Lynch wrote:
> Jan-Bernd Themann wrote:
> > Hi,
> > 
> > sorry for answering so late, I'm only tracking netdev and ppc mailing list.
> > 
> > On Thursday 10 January 2008 18:34, Greg KH wrote:
> > > > The structure device_driver(in device.h) has a member struct driver_private which
> > > > contains the member kobj (according to drivers/base/base.h).
> > > > But in device.h struct driver_private has been declared localy and 
> > > > neither defined nor included from base.h.
> > > > So my effort to use driver->driver_private->obj also does not work.
> > > > (I am surprised from where do you access the struct device_driver)
> > > 
> > > That is because a driver should not be accessing such a field.
> > > 
> > > And especially not in this manner, why would this driver be creating a
> > > symlink that has already been created by the driver core?  This whole
> > > thing can just be removed with no problems.  Can you try just removing
> > > the ehea_driver_sysfs_add and ehea_driver_sysfs_remove functions to
> > > verify this as I don't have the hardware present to test it out.
> > 
> > The eHEA driver tries to orginize its sys-entries as close as possible to
> > other ethernet drivers. Each eHEA NIC has multiple ports which is not that
> > common in PCI. This means that each port is represented by a subdirectory
> > which has not the "driver" sys-link, only the root directory has.
> > Some tools expect to have this driver link in each port directory.
> > That is the reason why this link is created manually.
> > 
> > Are there any other ways to create this link?
> 
> 
> This is now broken in mainline...
> 
> drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_add':
> drivers/net/ehea/ehea_main.c:2812: error: 'struct device_driver' has
> no member named 'kobj'
> drivers/net/ehea/ehea_main.c:2815: error: 'struct device_driver' has
> no member named 'kobj'
> drivers/net/ehea/ehea_main.c:2818: error: 'struct device_driver' has
> no member named 'kobj'
> drivers/net/ehea/ehea_main.c: In function 'ehea_driver_sysfs_remove':
> drivers/net/ehea/ehea_main.c:2830: error: 'struct device_driver' has
> no member named 'kobj'

Crap, I missed that one.  I'll go fix it up right now...

sorry about this.

greg k-h
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