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Message-ID: <1708398727-46308-1-git-send-email-wangyunjian@huawei.com>
Date: Tue, 20 Feb 2024 11:12:07 +0800
From: Yunjian Wang <wangyunjian@...wei.com>
To: <willemdebruijn.kernel@...il.com>, <jasowang@...hat.com>,
<kuba@...nel.org>, <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<brouer@...hat.com>, <xudingke@...wei.com>, Yunjian Wang
<wangyunjian@...wei.com>
Subject: [PATCH net] tun: Fix xdp_rxq_info's queue_index when detaching
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@...wei.com>
---
drivers/net/tun.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index bc80fc1d576e..be37235af55d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -652,6 +652,7 @@ 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);
--
2.33.0
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