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From: Markus Elfring <Markus.Elfring@web.de>
To: Wen Yang <wen.yang99@zte.com.cn>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	linux-pm@vger.kernel.org, kernel-janitors@vger.kernel.org
Cc: Yi Wang <wang.yi59@zte.com.cn>,
	Cheng Shengyu <cheng.shengyu@zte.com.cn>,
	linux-kernel@vger.kernel.org, Scott Wood <oss@buserror.net>,
	Paul Mackerras <paulus@samba.org>,
	Xue Zhihong <xue.zhihong@zte.com.cn>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: Coccinelle: Checking of_node_put() calls with SmPL
Date: Wed, 10 Jul 2019 17:15:33 +0200	[thread overview]
Message-ID: <9d515026-5b74-cf0c-0c64-4fe242d4104e@web.de> (raw)
In-Reply-To: <201907101533443009168@zte.com.cn>

> we developed a coccinelle script to detect such problems.

Would you find the implementation of the function “dt_init_idle_driver”
suspicious according to discussed source code search patterns?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/cpuidle/dt_idle_states.c?id=e9a83bd2322035ed9d7dcf35753d3f984d76c6a5#n208
https://elixir.bootlin.com/linux/v5.2/source/drivers/cpuidle/dt_idle_states.c#L208


> This script is still being improved.

Will corresponding software development challenges become more interesting?

Regards,
Markus

  parent reply	other threads:[~2019-07-10 15:26 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1562670768-23178-1-git-send-email-wen.yang99@zte.com.cn>
2019-07-09 11:12 ` [PATCH 1/2] powerpc/83xx: fix use-after-free in mpc831x_usb_cfg() Wen Yang
2019-07-10  7:19   ` [1/2] " Markus Elfring
2019-07-10  7:33     ` wen.yang99
2019-07-10  9:24       ` Markus Elfring
2019-07-10 15:15       ` Markus Elfring [this message]
2019-07-11  6:35         ` Coccinelle: Checking of_node_put() calls with SmPL wen.yang99
2019-07-11  6:46           ` Julia Lawall
2019-07-11  9:33             ` Markus Elfring
2019-07-11  9:04           ` Markus Elfring
2019-07-11 14:41           ` Tyrel Datwyler
2019-07-09 11:12 ` [PATCH 2/2] powerpc/83xx: cleanup error paths in mpc831x_usb_cfg() Wen Yang
2019-07-09 16:14 ` [PATCH 0/2] fix use-after-free in mpc831x_usb_cfg() and do some cleanups Markus Elfring

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