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From: Vladimir Zapolskiy <vz@mleia.com>
To: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>,
	"Dmitry Osipenko" <digetx@gmail.com>,
	"Liam Girdwood" <lgirdwood@gmail.com>,
	"Mark Brown" <broonie@kernel.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 5/7] regulator: plug of_node leak in regulator_register()'s error path
Date: Tue, 11 Aug 2020 09:15:07 +0300	[thread overview]
Message-ID: <e8caa9cd-f3e2-8a33-12f4-81dfd6f9c551@mleia.com> (raw)
In-Reply-To: <f106ae5b37612b36cb817691fb690e5456aea0ee.1597107682.git.mirq-linux@rere.qmqm.pl>

Hi Michał,

On 8/11/20 4:07 AM, Michał Mirosław wrote:
> By calling device_initialize() earlier and noting that kfree(NULL) is
> ok, we can save a bit of code in error handling and plug of_node leak.
> Fixed commit already did part of the work.
> 
> Cc: stable@vger.kernel.org
> Fixes: 9177514ce349 ("regulator: fix memory leak on error path of regulator_register()")
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>

thank you for the patch!

I was worried about a potentially remaining of_node reference leak,
but I was not able to reproduce it on practice without code fuzzing.

The change looks valid and it's a nice simplification.

Acked-by: Vladimir Zapolskiy <vz@mleia.com>

--
Best wishes,
Vladimir

  reply	other threads:[~2020-08-11  6:15 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-11  1:07 [PATCH 0/7] regulator: fix deadlock vs memory reclaim Michał Mirosław
2020-08-11  1:07 ` [PATCH 1/7] regulator: push allocation in regulator_init_coupling() outside of lock Michał Mirosław
2020-08-11 15:59   ` Dmitry Osipenko
2020-08-11 16:27     ` Dmitry Osipenko
2020-08-11 17:20       ` Michał Mirosław
2020-08-11 21:02         ` Dmitry Osipenko
2020-08-11  1:07 ` [PATCH 2/7] regulator: push allocation in regulator_ena_gpio_request() out " Michał Mirosław
2020-08-11  1:07 ` [PATCH 3/7] regulator: push allocations in create_regulator() outside " Michał Mirosław
2020-08-11  1:07 ` [PATCH 4/7] regulator: push allocation in set_consumer_device_supply() out " Michał Mirosław
2020-08-11  5:23   ` kernel test robot
2020-08-11 17:28     ` Michał Mirosław
2020-08-11  1:07 ` [PATCH 5/7] regulator: plug of_node leak in regulator_register()'s error path Michał Mirosław
2020-08-11  6:15   ` Vladimir Zapolskiy [this message]
2020-08-11  1:07 ` [PATCH 6/7] regulator: cleanup regulator_ena_gpio_free() Michał Mirosław
2020-08-11  1:07 ` [PATCH 7/7] regulator: remove superfluous lock in regulator_resolve_coupling() Michał Mirosław
2020-08-11 15:56   ` Dmitry Osipenko

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