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SubjectRe: [PATCH net-next] net/ncsi: Define {add, kill}_vid callbacks for !CONFIG_NET_NCSI
On 31-Aug-2017 01:38 PM, Samuel Mendoza-Jonas wrote:
> Patch "net/ncsi: Configure VLAN tag filter" defined two new callback
> functions in include/net/ncsi.h, but neglected the !CONFIG_NET_NCSI
> case. This can cause a build error if these are referenced elsewhere
> without NCSI enabled, for example in ftgmac100:
>
> >>> ERROR: "ncsi_vlan_rx_kill_vid" [drivers/net/ethernet/faraday/ftgmac100.ko] undefined!
> >>> ERROR: "ncsi_vlan_rx_add_vid" [drivers/net/ethernet/faraday/ftgmac100.ko] undefined!
>
> Add definitions for !CONFIG_NET_NCSI to bring it into line with the rest
> of ncsi.h
>
> Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
> ---
> include/net/ncsi.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/include/net/ncsi.h b/include/net/ncsi.h
> index 1f96af46df49..2b13b6b91a4d 100644
> --- a/include/net/ncsi.h
> +++ b/include/net/ncsi.h
> @@ -36,6 +36,14 @@ int ncsi_start_dev(struct ncsi_dev *nd);
> void ncsi_stop_dev(struct ncsi_dev *nd);
> void ncsi_unregister_dev(struct ncsi_dev *nd);
> #else /* !CONFIG_NET_NCSI */
> +int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
> +{
> + return -ENOTTY;
> +}
> +int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
> +{
> + return -ENOTTY;
> +}

These should be static functions because they are defined in the header
file or you will get multiple symbol definitions.

--Vernon

> static inline struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
> void (*notifier)(struct ncsi_dev *nd))
> {
> --
> 2.14.1
>

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