netdev - Re: [PATCH net-2.6] ixgbe/igb: catch invalid VF settings

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Message-ID: <20100721165055.GE13188@sequoia.sous-sol.org>
Date:	Wed, 21 Jul 2010 09:50:55 -0700
From:	Chris Wright <chrisw@...s-sol.org>
To:	Andy Gospodarek <andy@...yhouse.net>
Cc:	netdev@...r.kernel.org, chrisw@...s-sol.org
Subject: Re: [PATCH net-2.6] ixgbe/igb: catch invalid VF settings

* Andy Gospodarek (andy@...yhouse.net) wrote:
> Some ixgbe cards put an invalid VF device ID in the PCIe SR-IOV
> capability.  The ixgbe driver is only valid for PFs or non SR-IOV
> hardware.  It seems that the same problem could occur on igb hardware as
> well, so if we discover we are trying to initialize a VF in ixbge_probe
> or igb_probe, print an error and exit.
> 
> Based on a patch for ixgbe from Chris Wright <chrisw@...s-sol.org>.
> 
> Signed-off-by: Andy Gospodarek <andy@...yhouse.net>
> Cc: Chris Wright <chrisw@...s-sol.org>

Acked-by: Chris Wright <chrisw@...s-sol.org>

Only seen this on ixgbe, but since the result there is a kernel panic
makes sense to be defensive.

thanks,
-chris
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