From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Wen Yang <yellowriver2010@hotmail.com>
Cc: "alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
"bbrezillon@kernel.org" <bbrezillon@kernel.org>,
"richard@nod.at" <richard@nod.at>,
"tudor.ambarus@microchip.com" <tudor.ambarus@microchip.com>,
"nicolas.ferre@microchip.com" <nicolas.ferre@microchip.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"marek.vasut@gmail.com" <marek.vasut@gmail.com>,
"ludovic.desroches@microchip.com"
<ludovic.desroches@microchip.com>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
"dwmw2@infradead.org" <dwmw2@infradead.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3] mtd: rawnand: atmel: fix possible object reference leak
Date: Tue, 5 Feb 2019 15:37:45 +0100 [thread overview]
Message-ID: <20190205153745.45598bc8@xps13> (raw)
In-Reply-To: <HK0PR02MB36344D81C6E66666EB60849DB26E0@HK0PR02MB3634.apcprd02.prod.outlook.com>
Hi Wen,
Wen Yang <yellowriver2010@hotmail.com> wrote on Tue, 5 Feb 2019
14:32:41 +0000:
> of_find_device_by_node() takes a reference to the struct device
> when it finds a match via get_device, there is no need to call
> get_device() twice.
> We also should make sure to drop the reference to the device
> taken by of_find_device_by_node() on driver unbind.
>
> Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver")
> Signed-off-by: Wen Yang <yellowriver2010@hotmail.com>
> Suggested-by: Boris Brezillon <bbrezillon@kernel.org>
> Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Please stop adding "Reviewed-by" tags from us if we did not write them!
> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
> Cc: Tudor Ambarus <tudor.ambarus@microchip.com>
> Cc: Boris Brezillon <bbrezillon@kernel.org>
> Cc: Miquel Raynal <miquel.raynal@bootlin.com>
> Cc: Richard Weinberger <richard@nod.at>
> Cc: David Woodhouse <dwmw2@infradead.org>
> Cc: Brian Norris <computersforpeace@gmail.com>
> Cc: Marek Vasut <marek.vasut@gmail.com>
> Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
> Cc: linux-mtd@lists.infradead.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> ---
And for the other patches, please append a changelog explaining the
evolutions of the patch through the versions below the three dashes
'---'.
Thanks,
Miquèl
______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/
WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Wen Yang <yellowriver2010@hotmail.com>
Cc: "alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
"bbrezillon@kernel.org" <bbrezillon@kernel.org>,
"richard@nod.at" <richard@nod.at>,
"tudor.ambarus@microchip.com" <tudor.ambarus@microchip.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"marek.vasut@gmail.com" <marek.vasut@gmail.com>,
"ludovic.desroches@microchip.com"
<ludovic.desroches@microchip.com>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
"dwmw2@infradead.org" <dwmw2@infradead.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3] mtd: rawnand: atmel: fix possible object reference leak
Date: Tue, 5 Feb 2019 15:37:45 +0100 [thread overview]
Message-ID: <20190205153745.45598bc8@xps13> (raw)
In-Reply-To: <HK0PR02MB36344D81C6E66666EB60849DB26E0@HK0PR02MB3634.apcprd02.prod.outlook.com>
Hi Wen,
Wen Yang <yellowriver2010@hotmail.com> wrote on Tue, 5 Feb 2019
14:32:41 +0000:
> of_find_device_by_node() takes a reference to the struct device
> when it finds a match via get_device, there is no need to call
> get_device() twice.
> We also should make sure to drop the reference to the device
> taken by of_find_device_by_node() on driver unbind.
>
> Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver")
> Signed-off-by: Wen Yang <yellowriver2010@hotmail.com>
> Suggested-by: Boris Brezillon <bbrezillon@kernel.org>
> Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Please stop adding "Reviewed-by" tags from us if we did not write them!
> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
> Cc: Tudor Ambarus <tudor.ambarus@microchip.com>
> Cc: Boris Brezillon <bbrezillon@kernel.org>
> Cc: Miquel Raynal <miquel.raynal@bootlin.com>
> Cc: Richard Weinberger <richard@nod.at>
> Cc: David Woodhouse <dwmw2@infradead.org>
> Cc: Brian Norris <computersforpeace@gmail.com>
> Cc: Marek Vasut <marek.vasut@gmail.com>
> Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
> Cc: linux-mtd@lists.infradead.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> ---
And for the other patches, please append a changelog explaining the
evolutions of the patch through the versions below the three dashes
'---'.
Thanks,
Miquèl
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Wen Yang <yellowriver2010@hotmail.com>
Cc: "tudor.ambarus@microchip.com" <tudor.ambarus@microchip.com>,
"bbrezillon@kernel.org" <bbrezillon@kernel.org>,
"richard@nod.at" <richard@nod.at>,
"dwmw2@infradead.org" <dwmw2@infradead.org>,
"computersforpeace@gmail.com" <computersforpeace@gmail.com>,
"marek.vasut@gmail.com" <marek.vasut@gmail.com>,
"nicolas.ferre@microchip.com" <nicolas.ferre@microchip.com>,
"alexandre.belloni@bootlin.com" <alexandre.belloni@bootlin.com>,
"ludovic.desroches@microchip.com"
<ludovic.desroches@microchip.com>,
"linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] mtd: rawnand: atmel: fix possible object reference leak
Date: Tue, 5 Feb 2019 15:37:45 +0100 [thread overview]
Message-ID: <20190205153745.45598bc8@xps13> (raw)
In-Reply-To: <HK0PR02MB36344D81C6E66666EB60849DB26E0@HK0PR02MB3634.apcprd02.prod.outlook.com>
Hi Wen,
Wen Yang <yellowriver2010@hotmail.com> wrote on Tue, 5 Feb 2019
14:32:41 +0000:
> of_find_device_by_node() takes a reference to the struct device
> when it finds a match via get_device, there is no need to call
> get_device() twice.
> We also should make sure to drop the reference to the device
> taken by of_find_device_by_node() on driver unbind.
>
> Fixes: f88fc122cc34 ("mtd: nand: Cleanup/rework the atmel_nand driver")
> Signed-off-by: Wen Yang <yellowriver2010@hotmail.com>
> Suggested-by: Boris Brezillon <bbrezillon@kernel.org>
> Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Please stop adding "Reviewed-by" tags from us if we did not write them!
> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
> Cc: Tudor Ambarus <tudor.ambarus@microchip.com>
> Cc: Boris Brezillon <bbrezillon@kernel.org>
> Cc: Miquel Raynal <miquel.raynal@bootlin.com>
> Cc: Richard Weinberger <richard@nod.at>
> Cc: David Woodhouse <dwmw2@infradead.org>
> Cc: Brian Norris <computersforpeace@gmail.com>
> Cc: Marek Vasut <marek.vasut@gmail.com>
> Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
> Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
> Cc: linux-mtd@lists.infradead.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> ---
And for the other patches, please append a changelog explaining the
evolutions of the patch through the versions below the three dashes
'---'.
Thanks,
Miquèl
next prev parent reply other threads:[~2019-02-05 14:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-05 14:32 [PATCH v3] mtd: rawnand: atmel: fix possible object reference leak Wen Yang
2019-02-05 14:32 ` Wen Yang
2019-02-05 14:37 ` Miquel Raynal [this message]
2019-02-05 14:37 ` Miquel Raynal
2019-02-05 14:37 ` Miquel Raynal
2019-02-05 19:11 ` Miquel Raynal
2019-02-05 19:11 ` Miquel Raynal
2019-02-05 19:11 ` Miquel Raynal
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