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From: Florian Eckert <fe@dev.tdt.de>
To: Jiri Slaby <jirislaby@kernel.org>
Cc: gregkh@linuxfoundation.org, kumaravel.thiagarajan@microchip.com,
	tharunkumar.pasumarthi@microchip.com,
	andriy.shevchenko@linux.intel.com, pnewman@connecttech.com,
	angelogioacchino.delregno@collabora.com, peterz@infradead.org,
	yujiaoliang@vivo.com, arnd@kernel.org, cang1@live.co.uk,
	macro@orcam.me.uk, schnelle@linux.ibm.com,
	Eckert.Florian@googlemail.com, linux-kernel@vger.kernel.org,
	linux-serial@vger.kernel.org
Subject: Re: [PATCH] serial: 8250_pcilib: Replace deprecated PCI functions
Date: Fri, 26 Sep 2025 14:31:28 +0200	[thread overview]
Message-ID: <e4d2fa14701092977daa844cf25e7dd7@dev.tdt.de> (raw)
In-Reply-To: <5fed7e09-b59f-46b0-be49-881c0c1b61c1@kernel.org>

>> Signed-off-by: Florian Eckert <fe@dev.tdt.de>
> ...
>> --- a/drivers/tty/serial/8250/8250_pci.c
>> +++ b/drivers/tty/serial/8250/8250_pci.c
>> @@ -165,7 +165,15 @@ static int
>>   setup_port(struct serial_private *priv, struct uart_8250_port *port,
>>   	   u8 bar, unsigned int offset, int regshift)
>>   {
>> -	return serial8250_pci_setup_port(priv->dev, port, bar, offset, 
>> regshift);
>> +	void __iomem *iomem = NULL;
>> +
>> +	if (pci_resource_flags(priv->dev, bar) & IORESOURCE_MEM) {
>> +		iomem = pcim_iomap(priv->dev, bar, 0);
>> +		if (IS_ERR(iomem))
>> +			return -ENOMEM;
> 
> Why not to propagate the error?

Most other calls in the kernel of this function return
-ENOMEM on error. Therefore, I thought that this is the
correct return value. I can fix that in v2 if you like.
Let me know what you prefer.

> 
> Other than that, LGTM.

Thanks for the review :-)


  reply	other threads:[~2025-09-26 12:49 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-24 13:35 [PATCH] serial: 8250_pcilib: Replace deprecated PCI functions Florian Eckert
2025-09-26  8:29 ` Jiri Slaby
2025-09-26 12:31   ` Florian Eckert [this message]
2025-09-29  6:00     ` Jiri Slaby
2025-09-29  6:33       ` Florian Eckert

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