Re: [PATCH] PCI: dra7xx: Added error handling in probe function when devm_phy_get() fails

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On Wed, Sep 11, 2024 at 10:41:13PM +0530, Riyan Dhiman wrote:
> While creation of device link, if devm_phy_get() function fails then it directly
> returns PTR_ERR without any cleanup of previous added device links.
> Added goto statement when devm_phy_get() fails, to handle the cleanup of already
> added device links.
> 
> Fixes: 7a4db656a635 (PCI: dra7xx: Create functional dependency between PCIe and PHY)
> Signed-off-by: Riyan Dhiman <riyandhiman14@xxxxxxxxx>

Thanks for this.  We're in the v6.12 merge window right now, so please
post this again after v6.12-rc1 (probably Sep 29).

In subject and commit log, s/Added/Add/.

See https://chris.beams.io/posts/git-commit/ and
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/maintainer-tip.rst?id=v6.11#n134

Wrap commit log to fit in 75 columns.

Add blank line between paragraphs.

> ---
>  drivers/pci/controller/dwc/pci-dra7xx.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
> index 4fe3b0cb72ec..c329d107b811 100644
> --- a/drivers/pci/controller/dwc/pci-dra7xx.c
> +++ b/drivers/pci/controller/dwc/pci-dra7xx.c
> @@ -762,8 +762,10 @@ static int dra7xx_pcie_probe(struct platform_device *pdev)
>  	for (i = 0; i < phy_count; i++) {
>  		snprintf(name, sizeof(name), "pcie-phy%d", i);
>  		phy[i] = devm_phy_get(dev, name);
> -		if (IS_ERR(phy[i]))
> -			return PTR_ERR(phy[i]);
> +		if (IS_ERR(phy[i])) {
> +			ret = PTR_ERR(phy[i]);
> +			goto err_link;
> +		}
>  
>  		link[i] = device_link_add(dev, &phy[i]->dev, DL_FLAG_STATELESS);
>  		if (!link[i]) {
> -- 
> 2.46.0
> 




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