Re: [PATCH dovetail] net: skbuff: add missing OOB stubs for !CONFIG_NET_OOB

[Philippe Gerum <rpm@xenomai.org>]

Tobias Schaffner <tobias.schaffner@siemens.com> writes:

> skbuff.c calls skb_mark_oob() and variants behind runtime running_oob()
> checks but these are only implemented in the CONFIG_NET_OOB section.
>
> Add the missing stubs to the !CONFIG_NET_OOB section.
>
> Signed-off-by: Tobias Schaffner <tobias.schaffner@siemens.com>
> ---
>  include/linux/skbuff.h | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
>
> diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
> index 73dd4a58d181..1278d0a58677 100644
> --- a/include/linux/skbuff.h
> +++ b/include/linux/skbuff.h
> @@ -5630,6 +5630,22 @@ static inline struct sk_buff *get_oob_skb(void)
>  	return __get_oob_skb();
>  }
>  
> +static inline void skb_mark_oob(struct sk_buff *skb)
> +{
> +}
> +
> +static inline void skb_mark_oob_released(struct sk_buff *skb)
> +{
> +}
> +
> +static inline void skb_mark_oob_timestamped(struct sk_buff *skb)
> +{
> +}
> +
> +static inline void skb_mark_oob_managed(struct sk_buff *skb)
> +{
> +}
> +
>  #endif	/* !CONFIG_NET_OOB */
>  
>  #endif	/* __KERNEL__ */

All current users of skb_oob_mark_*() calls are currently guarded by
CONFIG_NET_OOB sections, or enable CONFIG_NET_OOB, like the evl
core. Did you observe a build failure with CONFIG_NET_OOB=n, or is it
preventive fixup?

-- 
Philippe.