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From: Aaron Brown <aaron.f.brown@intel•com>
To: Florian Fainelli <f.fainelli@gmail•com>
Cc: netdev@vger•kernel.org, e1000-devel@lists•sourceforge.net,
	alexander.h.duyck@intel•com, jesse.brandeburg@intel•com
Subject: Re: [PATCH net-next] ixgbevf: fix skb->pkt_type checks
Date: Thu, 27 Feb 2014 14:58:46 -0800	[thread overview]
Message-ID: <1393541926.1931.4.camel@localhost> (raw)
In-Reply-To: <1393454640-19651-1-git-send-email-f.fainelli@gmail.com>

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@gmail•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.

  parent reply	other threads:[~2014-02-27 22:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-26 22:44 [PATCH net-next] ixgbevf: fix skb->pkt_type checks Florian Fainelli
2014-02-27 21:07 ` David Miller
2014-02-27 22:39   ` Skidmore, Donald C
2014-02-27 22:58 ` Aaron Brown [this message]
2014-02-28 23:26   ` Brown, Aaron F
2014-02-28 23:31     ` Florian Fainelli

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