linux-kernel - Re: [PATCH 07/14] I2C: ali15x3: Do PCI error checks on own line

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Message-ID: <20230824160006.ahcv2twl4c4q5cd5@intel.intel>
Date:   Thu, 24 Aug 2023 18:00:06 +0200
From:   Andi Shyti <andi.shyti@...nel.org>
To:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc:     linux-pci@...r.kernel.org, Bjorn Helgaas <helgaas@...nel.org>,
        Jean Delvare <jdelvare@...e.com>, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/14] I2C: ali15x3: Do PCI error checks on own line

Hi Ilpo,

On Thu, Aug 24, 2023 at 04:28:25PM +0300, Ilpo Järvinen wrote:
> Instead of if conditions with line splits, use the usual error handling
> pattern with a separate variable to improve readability.
> 
> No functional changes intended.
> 
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
> ---
>  drivers/i2c/busses/i2c-ali15x3.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
> index cc58feacd082..6fedecef9df3 100644
> --- a/drivers/i2c/busses/i2c-ali15x3.c
> +++ b/drivers/i2c/busses/i2c-ali15x3.c
> @@ -122,6 +122,7 @@ static int ali15x3_setup(struct pci_dev *ALI15X3_dev)
>  {
>  	u16 a;
>  	unsigned char temp;
> +	int ret;

can you please add this ret declaration inside the
"if (force_addr)"?

Andi

>  
>  	/* Check the following things:
>  		- SMB I/O address is initialized
> @@ -167,12 +168,11 @@ static int ali15x3_setup(struct pci_dev *ALI15X3_dev)
>  	if(force_addr) {
>  		dev_info(&ALI15X3_dev->dev, "forcing ISA address 0x%04X\n",
>  			ali15x3_smba);
> -		if (PCIBIOS_SUCCESSFUL != pci_write_config_word(ALI15X3_dev,
> -								SMBBA,
> -								ali15x3_smba))
> +		ret = pci_write_config_word(ALI15X3_dev, SMBBA, ali15x3_smba);
> +		if (ret != PCIBIOS_SUCCESSFUL)
>  			goto error;
> -		if (PCIBIOS_SUCCESSFUL != pci_read_config_word(ALI15X3_dev,
> -								SMBBA, &a))
> +		ret = pci_read_config_word(ALI15X3_dev, SMBBA, &a);
> +		if (ret != PCIBIOS_SUCCESSFUL)
>  			goto error;
>  		if ((a & ~(ALI15X3_SMB_IOSIZE - 1)) != ali15x3_smba) {
>  			/* make sure it works */
> -- 
> 2.30.2
>