On 2020-08-31 20:46, Hauke Mehrtens wrote:
> On 8/14/20 4:29 PM, Felix Fietkau wrote:
>> It is needed for mac80211
>>
>> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
>> ---
>> backport/backport-include/linux/skbuff.h | 6 ++++++
>> 1 file changed, 6 insertions(+)
>>
>> diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h
>> index 3ed990d0d2ef..7b825630d391 100644
>> --- a/backport/backport-include/linux/skbuff.h
>> +++ b/backport/backport-include/linux/skbuff.h
>> @@ -384,6 +384,12 @@ static inline void skb_mark_not_on_list(struct sk_buff *skb)
>> {
>> skb->next = NULL;
>> }
>> +
>> +static inline void skb_list_del_init(struct sk_buff *skb)
>> +{
>> + __list_del_entry(&skb->list);
>> + skb_mark_not_on_list(skb);
>> +}
>> #endif /* 4.19.10 <= x < 4.20 */
>> #endif
>>
>>
>
> Hi Felix,
>
> These two backports are not working.
>
> The list member was only added in kernel 4.19 to the sk_buff structure,
> see here:
> https://git.kernel.org/linus/d4546c2509b1e9cd082e3682dcec98472e37ee5a
I guess it was working for me on 4.14 because the list member was
backported in 4.14.71.
So it works for kernels with that backport, and I guess other versions
which don't have that will need a more intrusive backport that patches
mac80211 anyway.
- Felix
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