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From: Shawn Guo <shawnguo@kernel.org>
To: Kunwu Chan <chentao@kylinos.cn>
Cc: linux@armlinux.org.uk, s.hauer@pengutronix.de,
	kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	arnd@arndb.de, angus.chen@jaguarmicro.com,
	u.kleine-koenig@pengutronix.de,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, kunwu.chan@hotmail.com,
	Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH v2] ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
Date: Wed, 6 Dec 2023 09:44:29 +0800	[thread overview]
Message-ID: <20231206014429.GB236001@dragon> (raw)
In-Reply-To: <20231122064636.7268-1-chentao@kylinos.cn>

On Wed, Nov 22, 2023 at 02:46:36PM +0800, Kunwu Chan wrote:
> devm_kasprintf() returns a pointer to dynamically allocated memory
> which can be NULL upon failure. Ensure the allocation was successful
> by checking the pointer validity.
> 
> Release the id allocated in 'mmdc_pmu_init' when 'devm_kasprintf'
> return NULL
> 
> Suggested-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> Fixes: e76bdfd7403a ("ARM: imx: Added perf functionality to mmdc driver")
> Signed-off-by: Kunwu Chan <chentao@kylinos.cn>

Applied, thanks!

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WARNING: multiple messages have this Message-ID (diff)
From: Shawn Guo <shawnguo@kernel.org>
To: Kunwu Chan <chentao@kylinos.cn>
Cc: linux@armlinux.org.uk, s.hauer@pengutronix.de,
	kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
	arnd@arndb.de, angus.chen@jaguarmicro.com,
	u.kleine-koenig@pengutronix.de,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, kunwu.chan@hotmail.com,
	Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH v2] ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
Date: Wed, 6 Dec 2023 09:44:29 +0800	[thread overview]
Message-ID: <20231206014429.GB236001@dragon> (raw)
In-Reply-To: <20231122064636.7268-1-chentao@kylinos.cn>

On Wed, Nov 22, 2023 at 02:46:36PM +0800, Kunwu Chan wrote:
> devm_kasprintf() returns a pointer to dynamically allocated memory
> which can be NULL upon failure. Ensure the allocation was successful
> by checking the pointer validity.
> 
> Release the id allocated in 'mmdc_pmu_init' when 'devm_kasprintf'
> return NULL
> 
> Suggested-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
> Fixes: e76bdfd7403a ("ARM: imx: Added perf functionality to mmdc driver")
> Signed-off-by: Kunwu Chan <chentao@kylinos.cn>

Applied, thanks!

  reply	other threads:[~2023-12-06  1:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-22  6:46 [PATCH v2] ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init Kunwu Chan
2023-11-22  6:46 ` Kunwu Chan
2023-12-06  1:44 ` Shawn Guo [this message]
2023-12-06  1:44   ` Shawn Guo

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