netdev - Re: [PATCH] Use dev_port for the ID of a network device.

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Date:	Tue, 01 Jul 2014 08:45:56 +0200
From:	Bjørn Mork <bjorn@...k.no>
To:	Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com>
Cc:	systemd-devel@...ts.freedesktop.org, netdev@...r.kernel.org
Subject: Re: [PATCH] Use dev_port for the ID of a network device.

Thadeu Lima de Souza Cascardo <cascardo@...ux.vnet.ibm.com> writes:

> diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
> index c80c30a..6de9c98 100644
> --- a/src/udev/udev-builtin-net_id.c
> +++ b/src/udev/udev-builtin-net_id.c
> @@ -186,9 +186,14 @@ static int dev_pci_slot(struct udev_device *dev, struct netnames *names) {
>                  return -ENOENT;
>  
>          /* kernel provided multi-device index */
> -        attr = udev_device_get_sysattr_value(dev, "dev_id");
> -        if (attr)
> +        attr = udev_device_get_sysattr_value(dev, "dev_port");
> +        if (attr) {
>                  dev_id = strtol(attr, NULL, 16);
> +        } else {
> +                attr = udev_device_get_sysattr_value(dev, "dev_id");
> +                if (attr)
> +                        dev_id = strtol(attr, NULL, 16);
> +        }
>  
>          /* compose a name based on the raw kernel's PCI bus, slot numbers */
>          s = names->pci_path;

Note that the base of the new attribute is 10, not 16:

bjorn@...i:/usr/local/src/git/linux$ git grep dev_port net/core/
net/core/net-sysfs.c:NETDEVICE_SHOW_RO(dev_port, fmt_dec);
net/core/net-sysfs.c:   &dev_attr_dev_port.attr,
bjorn@...i:/usr/local/src/git/linux$ git grep dev_id net/core/
net/core/net-sysfs.c:NETDEVICE_SHOW_RO(dev_id, fmt_hex);
net/core/net-sysfs.c:   &dev_attr_dev_id.attr,



Bjørn
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