netdev - Re: [PowerPC] Next May 8 boot failure: OOPS during ibmveth moduleinit

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Message-ID: <20090512081643.GC3399@psychotron.englab.brq.redhat.com>
Date:	Tue, 12 May 2009 10:16:44 +0200
From:	Jiri Pirko <jpirko@...hat.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	David Miller <davem@...emloft.net>,
	Sachin Sant <sachinp@...ibm.com>, linux-next@...r.kernel.org,
	linuxppc-dev@...abs.org, netdev@...r.kernel.org
Subject: Re: [PowerPC] Next May 8 boot failure: OOPS during ibmveth
	moduleinit

Tue, May 12, 2009 at 09:44:51AM CEST, sfr@...b.auug.org.au wrote:
>Hi Dave,
>
>This fixes it (I wonder if this bug is lurking in any other drivers):
Grepping the sources I see some other places suffering this problem. I'll send
patch for this.
>
>From: Stephen Rothwell <sfr@...b.auug.org.au>
>Date: Tue, 12 May 2009 17:24:02 +1000
>Subject: [PATCH] net/ibmveth: fix panic in probe
>
>netdev->dev_addr changed from being an array to being a pointer, so we
>should not take its address for memcpy().
Nice!
Signed-off-by: Jiri Pirko <jpirko@...hat.com>
>
>Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
>---
> drivers/net/ibmveth.c |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
>diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
>index 7902e5e..8daffad 100644
>--- a/drivers/net/ibmveth.c
>+++ b/drivers/net/ibmveth.c
>@@ -1285,7 +1285,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_
>  	netdev->features |= NETIF_F_LLTX;
> 	spin_lock_init(&adapter->stats_lock);
> 
>-	memcpy(&netdev->dev_addr, &adapter->mac_addr, netdev->addr_len);
>+	memcpy(netdev->dev_addr, &adapter->mac_addr, netdev->addr_len);
> 
> 	for(i = 0; i<IbmVethNumBufferPools; i++) {
> 		struct kobject *kobj = &adapter->rx_buff_pool[i].kobj;
>-- 
>1.6.3
>
>
>-- 
>Cheers,
>Stephen Rothwell                    sfr@...b.auug.org.au
>http://www.canb.auug.org.au/~sfr/
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