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:

> Hi!
>
> On 3/25/26 15:51, Philippe Gerum wrote:
>> 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?
>
> I am building without CONFIG_NET_OOB at the moment and the build fails
> because of the unguarded skb_mark_oob calls in net/core/skbuff.c.
>

Correct, I overlooked the call to skb_mark_oob() introduced in
v7.0. Merged, thanks.

-- 
Philippe.