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From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Russell King <linux@armlinux.org.uk>, Stephen Boyd <sboyd@kernel.org>
Cc: Michael Turquette <mturquette@baylibre.com>,
	Alexandru Ardelean <aardelean@deviqon.com>,
	kernel@pengutronix.de,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	linux-clk@vger.kernel.org, Jonathan Cameron <jic23@kernel.org>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Naresh Kamboju <naresh.kamboju@linaro.org>
Subject: Re: [PATCH] clk: Fix pointer casting to prevent oops in devm_clk_release()
Date: Wed, 22 Jun 2022 19:22:52 +0200	[thread overview]
Message-ID: <20220622172252.jg5csri4bsixgmqp@pengutronix.de> (raw)
In-Reply-To: <20220620171815.114212-1-u.kleine-koenig@pengutronix.de>

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Hello,

On Mon, Jun 20, 2022 at 07:18:15PM +0200, Uwe Kleine-König wrote:
> The release function is called with a pointer to the memory returned by
> devres_alloc(). I was confused about that by the code before the
> generalization that used a struct clk **ptr.
> 
> Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Fixes: abae8e57e49a ("clk: generalize devm_clk_get() a bit")
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Forwarding from https://lore.kernel.org/linux-clk/CA+G9fYtUu2VCZ2NRpKMV4iCimi8koQ3OTeqQ3byZ9W11sE9fSg@mail.gmail.com:

Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>

Up to now there were three reports about this breakage.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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  parent reply	other threads:[~2022-06-22 17:25 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-20  7:57 [PATCH v9 0/4] clk: provide new devm helpers for prepared and enabled clocks Uwe Kleine-König
2022-05-20  7:57 ` Uwe Kleine-König
2022-05-20  7:57 ` [PATCH v9 1/4] clk: Improve documentation for devm_clk_get() and its optional variant Uwe Kleine-König
2022-06-07 11:46   ` Russell King (Oracle)
2022-06-16  2:35   ` Stephen Boyd
2022-05-20  7:57 ` [PATCH v9 2/4] clk: generalize devm_clk_get() a bit Uwe Kleine-König
2022-06-16  2:35   ` Stephen Boyd
     [not found]   ` <CGME20220620152612eucas1p2bd95bcec491a02c486d0a5f6b97864cd@eucas1p2.samsung.com>
2022-06-20 15:26     ` Marek Szyprowski
2022-06-20 17:18       ` [PATCH] clk: Fix pointer casting to prevent oops in devm_clk_release() Uwe Kleine-König
2022-06-21  6:25         ` Marek Szyprowski
2022-06-21  9:52           ` Uwe Kleine-König
2022-06-22 17:22         ` Uwe Kleine-König [this message]
2022-06-22 23:11         ` Stephen Boyd
2022-05-20  7:57 ` [PATCH v9 3/4] clk: Provide new devm_clk helpers for prepared and enabled clocks Uwe Kleine-König
2022-06-16  2:37   ` Stephen Boyd
2022-05-20  7:57 ` [PATCH v9 4/4] clk: meson: axg-audio: Don't duplicate devm_clk_get_enabled() Uwe Kleine-König
2022-05-20  7:57   ` Uwe Kleine-König
2022-06-16  2:37   ` Stephen Boyd
2022-06-16  2:37     ` Stephen Boyd
2022-06-07 11:08 ` [PATCH v9 0/4] clk: provide new devm helpers for prepared and enabled clocks Uwe Kleine-König
2022-06-07 11:08   ` Uwe Kleine-König
2022-06-07 11:42   ` Russell King (Oracle)
2022-06-07 11:42     ` Russell King (Oracle)

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