Re: [PATCH stable] net: sch_generic: fix the missing new qdisc assignment bug

[Yunsheng Lin]

On 2020/11/9 20:46, Greg KH wrote:
> On Tue, Nov 03, 2020 at 11:25:38AM +0800, Yunsheng Lin wrote:
>> commit 2fb541c862c9 ("net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc")
>>
>> When the above upstream commit is backported to stable kernel,
>> one assignment is missing, which causes two problems reported
>> by Joakim and Vishwanath, see [1] and [2].
>>
>> So add the assignment back to fix it.
>>
>> 1. https://www.spinics.net/lists/netdev/msg693916.html
>> 2. https://www.spinics.net/lists/netdev/msg695131.html
>>
>> Fixes: 749cc0b0c7f3 ("net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc")
>> Signed-off-by: Yunsheng Lin <linyunsheng@xxxxxxxxxx>
>> ---
>>  net/sched/sch_generic.c | 3 +++
>>  1 file changed, 3 insertions(+)
> 
> What kernel tree(s) does this need to be backported to?

4.19.x and 5.4.x

Thanks

> 
> thanks,
> 
> greg k-h
> .
>