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From: Timo Kokkonen <timo.kokkonen@offcode.fi>
To: Guenter Roeck <linux@roeck-us.net>,
	linux-arm-kernel@lists.infradead.org,
	linux-watchdog@vger.kernel.org,
	boris.brezillon@free-electrons.com, nicolas.ferre@atmel.com,
	alexandre.belloni@free-electrons.com
Cc: Wenyou.Yang@atmel.com
Subject: Re: [PATCHv7 7/8] watchdog: omap_wdt: Fix memory leak on probe fail
Date: Mon, 27 Apr 2015 08:50:02 +0300	[thread overview]
Message-ID: <553DCE0A.6010906@offcode.fi> (raw)
In-Reply-To: <553D0503.7050207@roeck-us.net>

On 26.04.2015 18:32, Guenter Roeck wrote:
> On 04/22/2015 04:11 AM, Timo Kokkonen wrote:
>> Structures allocated on the beginning of the probe function must be
>> freed in case of failure.
>
> Really ? The functions are allocated with devm_kzalloc.
> It might be useful to introduce an error on purpose, have the code
> jump to your new label, and observe what happens.

Interesting. I wasn't aware of devm_kzalloc. I will have to remove this 
patch from the series and rework the another omap patch to apply without 
this. Thanks!

-Timo

WARNING: multiple messages have this Message-ID (diff)
From: timo.kokkonen@offcode.fi (Timo Kokkonen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv7 7/8] watchdog: omap_wdt: Fix memory leak on probe fail
Date: Mon, 27 Apr 2015 08:50:02 +0300	[thread overview]
Message-ID: <553DCE0A.6010906@offcode.fi> (raw)
In-Reply-To: <553D0503.7050207@roeck-us.net>

On 26.04.2015 18:32, Guenter Roeck wrote:
> On 04/22/2015 04:11 AM, Timo Kokkonen wrote:
>> Structures allocated on the beginning of the probe function must be
>> freed in case of failure.
>
> Really ? The functions are allocated with devm_kzalloc.
> It might be useful to introduce an error on purpose, have the code
> jump to your new label, and observe what happens.

Interesting. I wasn't aware of devm_kzalloc. I will have to remove this 
patch from the series and rework the another omap patch to apply without 
this. Thanks!

-Timo

  reply	other threads:[~2015-04-27  5:50 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-22 11:11 [PATCHv7 0/8] watchdog: Extend kernel API and add early_timeout_sec feature Timo Kokkonen
2015-04-22 11:11 ` Timo Kokkonen
2015-04-22 11:11 ` [PATCHv7 1/8] watchdog: Extend kernel API to know about HW limitations Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-04-24 17:08   ` Guenter Roeck
2015-04-24 17:08     ` Guenter Roeck
2015-04-27  5:41     ` Timo Kokkonen
2015-04-27  5:41       ` Timo Kokkonen
2015-05-04  7:58   ` Uwe Kleine-König
2015-05-04  7:58     ` Uwe Kleine-König
2015-05-04  9:40     ` Timo Kokkonen
2015-05-04  9:40       ` Timo Kokkonen
2015-05-04 15:43   ` Guenter Roeck
2015-05-04 15:43     ` Guenter Roeck
2015-05-05  6:26     ` Timo Kokkonen
2015-05-05  6:26       ` Timo Kokkonen
2015-05-04 21:17   ` Marc Kleine-Budde
2015-05-04 21:17     ` Marc Kleine-Budde
2015-04-22 11:11 ` [PATCHv7 2/8] watchdog: Allow watchdog to reset device at early boot Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-04-22 11:11 ` [PATCHv7 3/8] devicetree: Document generic watchdog properties Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-04-22 11:11 ` [PATCHv7 4/8] Documentation/watchdog: watchdog-test.c: Add support for changing timeout Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-04-22 11:11 ` [PATCHv7 5/8] watchdog: at91sam9_wdt: Convert to use new watchdog core extensions Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-04-22 11:11 ` [PATCHv7 6/8] watchdog: imx2_wdt: Convert to use new " Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-05-05  8:11   ` Marc Kleine-Budde
2015-05-05  8:11     ` Marc Kleine-Budde
2015-05-05  8:31     ` Marc Kleine-Budde
2015-05-05  8:31       ` Marc Kleine-Budde
2015-05-05  9:07       ` Timo Kokkonen
2015-05-05  9:07         ` Timo Kokkonen
2015-04-22 11:11 ` [PATCHv7 7/8] watchdog: omap_wdt: Fix memory leak on probe fail Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-04-26 15:32   ` Guenter Roeck
2015-04-26 15:32     ` Guenter Roeck
2015-04-27  5:50     ` Timo Kokkonen [this message]
2015-04-27  5:50       ` Timo Kokkonen
2015-04-22 11:11 ` [PATCHv7 8/8] watchdog: omap_wdt: Convert to use new core extensions Timo Kokkonen
2015-04-22 11:11   ` Timo Kokkonen
2015-05-03 18:56   ` Uwe Kleine-König
2015-05-03 18:56     ` Uwe Kleine-König
2015-05-04  5:59     ` Timo Kokkonen
2015-05-04  5:59       ` Timo Kokkonen
2015-05-04  7:04       ` Uwe Kleine-König
2015-05-04  7:04         ` Uwe Kleine-König
2015-05-04 10:06         ` Timo Kokkonen
2015-05-04 10:06           ` Timo Kokkonen
2015-05-07  6:42         ` Timo Kokkonen
2015-05-07  6:42           ` Timo Kokkonen
2015-05-07  7:30           ` Uwe Kleine-König
2015-05-07  7:30             ` Uwe Kleine-König
2015-05-07  7:39             ` Timo Kokkonen
2015-05-07  7:39               ` Timo Kokkonen
2015-05-04 16:08       ` Guenter Roeck
2015-05-04 16:08         ` Guenter Roeck
2015-05-05 13:50 ` [PATCHv7 0/8] watchdog: Extend kernel API and add early_timeout_sec feature Uwe Kleine-König
2015-05-05 13:50   ` Uwe Kleine-König
2015-05-06  7:26   ` Timo Kokkonen
2015-05-06  7:26     ` Timo Kokkonen
2015-05-06  7:48     ` Uwe Kleine-König
2015-05-06  7:48       ` Uwe Kleine-König
2015-05-06  8:23       ` Timo Kokkonen
2015-05-06  8:23         ` Timo Kokkonen

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