linux-kernel - Re: Build Fails on 2.6.24-rc6-mm1[drivers/net/iseries

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Date:	Wed, 9 Jan 2008 11:39:06 -0800
From:	Greg KH <gregkh@...e.de>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Sudhir Kumar <skumar@...ux.vnet.ibm.com>,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: Build Fails on 2.6.24-rc6-mm1[drivers/net/iseries_veth.ko]
	linking error

On Wed, Jan 09, 2008 at 08:14:56PM +0100, Sam Ravnborg wrote:
> On Wed, Jan 09, 2008 at 03:44:04PM +0530, Sudhir Kumar wrote:
> > Hi Andrew,
> > Build fails on my Power Machine with following error message.
> > 
> > 
> >  HOSTLD  arch/powerpc/boot/dtc
> >  WRAP    arch/powerpc/boot/zImage.pseries
> >  WRAP    arch/powerpc/boot/zImage.pmac
> > strip -s -R .comment vmlinux -o arch/powerpc/boot/zImage.iseries
> >  Building modules, stage 2.
> >  MODPOST 264 modules
> > ERROR: ".driver_add_kobj" [drivers/net/iseries_veth.ko] undefined!
> > make[1]: *** [__modpost] Error 1
> > make: *** [modules] Error 2
> 
> driver_add_kobj has a single user - iseries_veth. It is even documented
> in the comment in the file.
> And you build iseries_veth as a module but driver_add_kobj is not exported
> which is why you get this modpost error.
> 
> Workaround: make the driver built-in
> Fix: export driver_add_kobj or replace usage in iseries_veth.

I'll properly export this symbol, that's the right fix.

Sorry about this,

greg k-h
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