linux-kernel - Re: [PATCH] PCI: iproc: Fix return value of iproc_msi_irq_domain

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Date:   Wed, 3 Mar 2021 09:25:06 -0800
From:   Ray Jui <ray.jui@...adcom.com>
To:     Pali Rohár <pali@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Sandor Bodo-Merle <sbodomerle@...il.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: iproc: Fix return value of
 iproc_msi_irq_domain_alloc()



On 3/3/2021 6:22 AM, Pali Rohár wrote:
> IRQ domain alloc function should return zero on success. Non-zero value
> indicates failure.
> 
> Signed-off-by: Pali Rohár <pali@...nel.org>
> Fixes: fc54bae28818 ("PCI: iproc: Allow allocation of multiple MSIs")
> ---
>  drivers/pci/controller/pcie-iproc-msi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c
> index 908475d27e0e..eede4e8f3f75 100644
> --- a/drivers/pci/controller/pcie-iproc-msi.c
> +++ b/drivers/pci/controller/pcie-iproc-msi.c
> @@ -271,7 +271,7 @@ static int iproc_msi_irq_domain_alloc(struct irq_domain *domain,
>  				    NULL, NULL);
>  	}
>  
> -	return hwirq;
> +	return 0;
>  }
>  
>  static void iproc_msi_irq_domain_free(struct irq_domain *domain,
> 

Looks good to me. Thanks for the fix.

Acked-by: Ray Jui <ray.jui@...adcom.com>

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