netdev - Re: bnx2x null pointer dereference

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Message-Id: <200808040918.19550.bjorn.helgaas@hp.com>
Date:	Mon, 4 Aug 2008 09:18:19 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	"Eilon Greenstein" <eilong@...adcom.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Justin Chen" <justin.chen@...com>,
	"Bill Hayes" <bill.hayes@...com>,
	"Myron Stowe" <myron.stowe@...com>
Subject: Re: bnx2x null pointer dereference

On Sunday 03 August 2008 03:36:41 am Eilon Greenstein wrote:
> 
> On Thu, 2008-07-31 at 15:49 -0700, Bjorn Helgaas wrote:
> > The crash below occurred because "params->bp == NULL" in
> > bnx2x_update_mng().  This is with the 1.45.11 driver version
> > on a RHEL 5.2 kernel.
> > 
> > This is on a prototype ia64 box, and I'm told that there's
> > some bnx2x firmware that is missing from the system firmware,
> > so this might be a "we don't care about this problem because
> > users will never see this situation" sort of thing.
> > 
> You are right - the problem is that the data from the board is invalid
> since there is no valid boot-code FW burned on it so the board cannot
> be used
> 
> > But it is annoying that it crashes the box rather than just
> > causing the driver to ignore the device.
> > 
> And this is also true - so we will fix it soon and submit a patch

Great!  Thanks for looking into this.  I'd be glad to help test
the patch when it's ready.

Bjorn
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