Re: [dpdk-dev] [PATCH 4/4] igb_uio: bind error if pcie bridge

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 3/21/2018 6:06 PM, Ajit Khaparde wrote:
> From: Darren Edamura <darren.edamura@broadcom.com>
> 
> Probe function should exit immediately if pcie bridge detected
> 
> Signed-off-by: Darren Edamura <darren.edamura@broadcom.com>
> Signed-off-by: Rahul Gupta <rahul.gupta@broadcom.com>
> Signed-off-by: Scott Branden <scott.branden@broadcom.com>
> Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
> ---
>  lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
> index 4cae4dd27..3fabbfc4d 100644
> --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
> +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
> @@ -473,6 +473,9 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
>  	void *map_addr;
>  	int err;
>  
> +	if (pci_is_bridge(dev))
> +		return -ENODEV;

What do you think printing a log here?

> +
>  	udev = kzalloc(sizeof(struct rte_uio_pci_dev), GFP_KERNEL);
>  	if (!udev)
>  		return -ENOMEM;
>