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tun: Fix xdp_rxq_info's queue_index when detaching

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[ Upstream commit 2a770cdc4382b457ca3d43d03f0f0064f905a0d0 ]

When a queue(tfile) is detached, we only update tfile's queue_index,
but do not update xdp_rxq_info's queue_index. This patch fixes it.

Fixes: 8bf5c4ee1889 ("tun: setup xdp_rxq_info")
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Link: https://lore.kernel.org/r/1708398727-46308-1-git-send-email-wangyunjian@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yunjian Wang 2024-02-20 11:12:07 +08:00 • committed by Ksawlii
parent de774caa85
commit 6c762211a1
1 changed files with 1 additions and 0 deletions
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drivers/net/tun.c
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@ -690,6 +690,7 @@ static void __tun_detach(struct tun_file *tfile, bool clean)
tun->tfiles[tun->numqueues - 1]);
ntfile = rtnl_dereference(tun->tfiles[index]);
ntfile->queue_index = index;
ntfile->xdp_rxq.queue_index = index;
rcu_assign_pointer(tun->tfiles[tun->numqueues - 1],
NULL);