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Date:   Wed, 08 Jan 2020 16:04:05 -0800 (PST)
From:   David Miller <>
Subject: Re: [PATCH] ethtool: potential NULL dereference in

From: Dan Carpenter <>
Date: Wed, 8 Jan 2020 08:42:36 +0300

> Smatch complains that the NULL checking isn't done consistently:
>     net/ethtool/strset.c:253 strset_prepare_data()
>     error: we previously assumed 'dev' could be null (see line 233)
> It looks like there is a missing return on this path.
> Fixes: 71921690f974 ("ethtool: provide string sets with STRSET_GET request")
> Signed-off-by: Dan Carpenter <>


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