netdev - Re: [PATCH v2 05/11] firewall: introduce stm32

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Date: Wed, 26 Jul 2023 12:39:31 +0200
From: Gatien CHEVALLIER <gatien.chevallier@...s.st.com>
To: Simon Horman <simon.horman@...igine.com>
CC: <Oleksii_Moisieiev@...m.com>, <gregkh@...uxfoundation.org>,
        <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
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        <vkoul@...nel.org>, <jic23@...nel.org>, <olivier.moysan@...s.st.com>,
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        <richardcochran@...il.com>, Frank Rowand <frowand.list@...il.com>,
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        <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v2 05/11] firewall: introduce stm32_firewall framework



On 7/26/23 12:22, Simon Horman wrote:
> On Tue, Jul 25, 2023 at 06:40:58PM +0200, Gatien Chevallier wrote:
> 
> ...
> 
>> diff --git a/drivers/bus/stm32_firewall.c b/drivers/bus/stm32_firewall.c
> 
> ...
> 
>> +int stm32_firewall_controller_register(struct stm32_firewall_controller *firewall_controller)
>> +{
>> +	struct stm32_firewall_controller *ctrl;
>> +
>> +	pr_info("Registering %s firewall controller\n", firewall_controller->name);
>> +
>> +	if (!firewall_controller)
>> +		return -ENODEV;
> 
> HI Gatien,
> 
> Sorry, one more on this patch, that I missed before sending my previous
> email.
> 
> firewall_controller is checked for NULL here.
> But it is already dereferenced on the line above the check.
> 
> Flagged by Smatch.
> 
> ...

Indeed, thank you. I will change this for V4

Best regards,
Gatien