linux-kernel - Re: Coccinelle: semantic patch for missing of_node

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Message-ID: <60d87dff-3b4e-d77b-a4e5-e00b010d414b@web.de>
Date:   Mon, 20 May 2019 22:11:53 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Julia Lawall <julia.lawall@...6.fr>
Cc:     Sasha Levin <sashal@...nel.org>, Pavel Machek <pavel@....cz>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Wen Yang <wen.yang99@....com.cn>,
        Coccinelle <cocci@...teme.lip6.fr>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: Coccinelle: semantic patch for missing of_node_put

> On the other hand, I don't know if the one that seemed to cause a crash
> really caused a crash.  It was detected by syzkaller, and it is also
> possible that git bisect ended up at the wrong place.

Do you refer to any known bug report here?


> In any case, forgetting an of_node_put will normally just waste a little
> memory, so probably stable kernels don't care.

Will it be nice to achieve better exception handling also for these
software versions over time?

Regards,
Markus