linux-kernel - Re: linux-next: Tree for December 29 (fcoe)

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Date:	Mon, 29 Dec 2008 15:45:41 -0600
From:	James Bottomley <James.Bottomley@...senPartnership.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	scsi <linux-scsi@...r.kernel.org>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for December 29 (fcoe)

On Mon, 2008-12-29 at 15:35 -0600, James Bottomley wrote:
> On Mon, 2008-12-29 at 12:31 -0800, Randy Dunlap wrote:
> > On Tue, 30 Dec 2008 03:16:21 +1100 Stephen Rothwell wrote:
> > 
> > > Hi all,
> > > 
> > > Changes since 20081219:
> > > 
> > > Undropped tree:
> > > 	scci
> > > 	mtd
> > > 
> > > Dropped trees (temporarily):
> > > 	nfs (akpm request due to 2.6.30 features)
> > > 	kvm (build problem)
> > > 	rr (build poblem)
> > > 	semaphore-removal (due to unfixed conflicts against Linus' tree)
> > > 	cpu_alloc (build problem)
> > > 	audit (difficult conflicts)
> > > 
> > > Linus' tree had three build failures requiring patches and one requiring
> > > a revert.
> > 
> > 
> > linux-next-20081229/drivers/scsi/fcoe/libfcoe.c:995: error: dereferencing pointer to incomplete type
> > linux-next-20081229/drivers/scsi/fcoe/libfcoe.c:1015: error: dereferencing pointer to incomplete type
> > 
> > (on netdev->name ?)
> 
> This looks a bit odd.  libfcoe.h #includes linux/netdevice.h which
> defines the structure ... I can't see how netdev could have an
> incomplete type.  Could you make libfcoe.i and see what's happening?

Actually, I deduce the problem is owner->name and your build has
CONFIG_MODULE=n ... the definition of struct module is enclosed in a
#ifdef CONFIG_MODULE.

This should fix it.

James

---

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 1cb549c..fec38f6 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -992,7 +992,7 @@ static int fcoe_ethdrv_get(const struct net_device *netdev)
 	owner = fcoe_netdev_to_module_owner(netdev);
 	if (owner) {
 		printk(KERN_DEBUG "foce:hold driver module %s for %s\n",
-		       owner->name, netdev->name);
+		       module_name(owner), netdev->name);
 		return  try_module_get(owner);
 	}
 	return -ENODEV;
@@ -1012,7 +1012,7 @@ static int fcoe_ethdrv_put(const struct net_device *netdev)
 	owner = fcoe_netdev_to_module_owner(netdev);
 	if (owner) {
 		printk(KERN_DEBUG "foce:release driver module %s for %s\n",
-		       owner->name, netdev->name);
+		       module_name(owner), netdev->name);
 		module_put(owner);
 		return 0;
 	}


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