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    SubjectRe: [PATCH stable] net: sch_generic: fix the missing new qdisc assignment bug
    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@huawei.com>
    > ---
    > net/sched/sch_generic.c | 3 +++
    > 1 file changed, 3 insertions(+)

    What kernel tree(s) does this need to be backported to?

    thanks,

    greg k-h

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