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From: Krzysztof Kozlowski <krzk@kernel.org>
To: Dan Carpenter <dan.carpenter@linaro.org>,
	Javier Carrasco <javier.carrasco.cruz@gmail.com>
Cc: Florian Fainelli <florian.fainelli@broadcom.com>,
	Broadcom internal kernel review list
	<bcm-kernel-feedback-list@broadcom.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Stefan Wahren <wahrenst@gmx.net>,
	Umang Jain <umang.jain@ideasonboard.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH] staging: vchiq_arm: Fix missing refcount decrement in error path for fw_node
Date: Mon, 14 Oct 2024 10:51:30 +0200	[thread overview]
Message-ID: <a406ef56-bcb7-4d12-9666-2f354bdba3dd@kernel.org> (raw)
In-Reply-To: <a4283afc-f869-4048-90b4-1775acb9adda@stanley.mountain>

On 14/10/2024 09:22, Dan Carpenter wrote:
>> @@ -1341,8 +1342,6 @@ static int vchiq_probe(struct platform_device *pdev)
>>  	if (!info)
>>  		return -EINVAL;
>>  
>> -	fw_node = of_find_compatible_node(NULL, NULL,
>> -					  "raspberrypi,bcm2835-firmware");
> 
> Perhaps it's better to declare the variable here so that the function and the
> error handling are next to each other.
> 
> 	if (!info)
> 		return -EINVAL;
> 
> 	struct device_node *fw_node __free(device_node) =
> 		of_find_compatible_node(NULL, NULL, "raspberrypi,bcm2835-firmware");
> 	if (!fw_node) {
> 
> 	...
> 
> This is why we lifted the rule that variables had to be declared at the start
> of a function.
> 


Ack, this is how this should look like.

Best regards,
Krzysztof



      parent reply	other threads:[~2024-10-14  9:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-13 10:42 [PATCH] staging: vchiq_arm: Fix missing refcount decrement in error path for fw_node Javier Carrasco
2024-10-13 11:36 ` Umang Jain
2024-10-13 12:55   ` Javier Carrasco
2024-10-14  6:50   ` Krzysztof Kozlowski
2024-10-14  7:22 ` Dan Carpenter
2024-10-14  7:59   ` Javier Carrasco
2024-10-14  8:12     ` Dan Carpenter
2024-10-14  8:15       ` Javier Carrasco
2024-10-14  8:33         ` Greg Kroah-Hartman
2024-10-14  8:39         ` Dan Carpenter
2024-10-14  8:49           ` Javier Carrasco
2024-10-14  9:06             ` Dan Carpenter
2024-10-14  8:51   ` Krzysztof Kozlowski [this message]

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