netdev - Re: [PATCH][next] openvswitch: check for null pointer return from nla_nest_start

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Date:   Sun, 05 May 2019 00:52:22 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     colin.king@...onical.com
Cc:     pshelar@....org, netdev@...r.kernel.org, dev@...nvswitch.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] openvswitch: check for null pointer return from
 nla_nest_start_noflag

From: Colin King <colin.king@...onical.com>
Date: Wed,  1 May 2019 14:41:58 +0100

> From: Colin Ian King <colin.king@...onical.com>
> 
> The call to nla_nest_start_noflag can return null in the unlikely
> event that nla_put returns -EMSGSIZE.  Check for this condition to
> avoid a null pointer dereference on pointer nla_reply.
> 
> Addresses-Coverity: ("Dereference null return value")
> Fixes: 11efd5cb04a1 ("openvswitch: Support conntrack zone limit")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Applied, thank you.