linux-kernel - Re: [PATCH 2/2] software node: Fix use of potentially uninitialized variable

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Date:   Thu, 29 Aug 2019 09:50:22 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        kbuild test robot <lkp@...el.com>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH 2/2] software node: Fix use of potentially uninitialized
 variable

On Thu, Aug 29, 2019 at 04:21:16PM +0300, Heikki Krogerus wrote:
>reported by smatch:
>drivers/base/swnode.c:71 software_node_to_swnode() error: uninitialized symbol 'swnode'.

Could you describe the actual problem it fixes? Under what scenario
would this issue occur and how would it manifest?

We're not here to fix smatch warnings, we're here to fix bugs that
smatch warns us about :)

--
Thanks,
Sasha