netdev - Re: [PATCH net-next] ixgbevf: fix skb->pkt

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Date:	Thu, 27 Feb 2014 14:58:46 -0800
From:	Aaron Brown <aaron.f.brown@...el.com>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	alexander.h.duyck@...el.com, jesse.brandeburg@...el.com
Subject: Re: [PATCH net-next] ixgbevf: fix skb->pkt_type checks

On Wed, 2014-02-26 at 14:44 -0800, Florian Fainelli wrote:
> skb->pkt_type is not a bitmask, but contains only value at a time from
> the range defined in include/uapi/linux/if_packet.h.
> 
> Checking it like if it was a bitmask of values would also cause
> PACKET_OTHERHOST, PACKET_LOOPBACK and PACKET_FASTROUTE to be matched by this
> check since their lower 2 bits are also set, although that does not fix a real
> bug due to how the checks are used, it is still potentially confusing.
> 
> This bogus check was introduced in commit 815cccbf ("ixgbe: add setlink,
> getlink support to ixgbe and ixgbevf").
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Thanks Florian, I have added this to our internal queue.

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