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Date:   Fri, 8 May 2020 18:46:27 -0700
From:   Jakub Kicinski <>
To:     Dan Carpenter <>
Cc:     Ioana Ciornei <>,
        Ioana Radulescu <>,
        "David S. Miller" <>,,
Subject: Re: [PATCH net] dpaa2-eth: prevent array underflow in

On Fri, 8 May 2020 17:37:20 +0300 Dan Carpenter wrote:
> The "location" is controlled by the user via the ethtool_set_rxnfc()
> function.  This update_cls_rule() function checks for array overflows
> but it doesn't check if the value is negative.  I have changed the type
> to unsigned to prevent array underflows.
> Fixes: afb90dbb5f78 ("dpaa2-eth: Add ethtool support for flow classification")
> Signed-off-by: Dan Carpenter <>

Applied, thank you!

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