Re: [PATCH] vdpa: solidrun: Free IRQs after request failure

"Michael S. Tsirkin" <[email protected]> Tue, 4 Aug 2026 17:19:37 -0400
Newsgroups dev.linux.lists.virtualization,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
On Tue, Aug 04, 2026 at 05:26:17PM +0800, Xiong Weimin wrote:
> Unwind any IRQs already requested by snet_request_irqs() before returning
> an error so a later retry starts from a clean state.
> 
> Signed-off-by: Xiong Weimin <[email protected]>

Here too. Pls tell us what is wrong and how it is fixed. E.g.:

Currently .... This is a problem because ... We can not do .... because
... To address .... And then ....


> ---
>  drivers/vdpa/solidrun/snet_main.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/vdpa/solidrun/snet_main.c b/drivers/vdpa/solidrun/snet_main.c
> index 28d55315d..aa3ae3876 100644
> --- a/drivers/vdpa/solidrun/snet_main.c
> +++ b/drivers/vdpa/solidrun/snet_main.c
> @@ -407,7 +407,7 @@ static int snet_request_irqs(struct pci_dev *pdev, struct snet *snet)
>  			       snet->cfg_irq_name, snet);
>  	if (ret) {
>  		SNET_ERR(pdev, "Failed to request IRQ\n");
> -		return ret;
> +		goto err_free_irqs;
>  	}
>  	snet->cfg_irq = irq;
>  
> @@ -418,11 +418,15 @@ static int snet_request_irqs(struct pci_dev *pdev, struct snet *snet)
>  				       snet->vqs[i]->irq_name, snet->vqs[i]);
>  		if (ret) {
>  			SNET_ERR(pdev, "Failed to request IRQ\n");
> -			return ret;
> +			goto err_free_irqs;
>  		}
>  		snet->vqs[i]->irq = irq;
>  	}
>  	return 0;
> +
> +err_free_irqs:
> +	snet_free_irqs(snet);
> +	return ret;
>  }
>  
>  static void snet_set_status(struct vdpa_device *vdev, u8 status)
> -- 
> 2.43.0