linux-kernel - [PATCH 4.19 18/79] Revert "sch_cake: Return __NET_XMIT

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Message-Id: <20220913140349.753256086@linuxfoundation.org>
Date:   Tue, 13 Sep 2022 16:06:36 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 18/79] Revert "sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb"

From: Jakub Kicinski <kuba@...nel.org>

[ Upstream commit 0b4f688d53fdc2a731b9d9cdf0c96255bc024ea6 ]

This reverts commit 90fabae8a2c225c4e4936723c38857887edde5cc.

Patch was applied hastily, revert and let the v2 be reviewed.

Fixes: 90fabae8a2c2 ("sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb")
Link: https://lore.kernel.org/all/87wnao2ha3.fsf@toke.dk/
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/sched/sch_cake.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index c0a6947545280..18c207b85d513 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1666,7 +1666,6 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	}
 	idx--;
 	flow = &b->flows[idx];
-	ret = NET_XMIT_SUCCESS;
 
 	/* ensure shaper state isn't stale */
 	if (!b->tin_backlog) {
@@ -1727,7 +1726,6 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 
 		qdisc_tree_reduce_backlog(sch, 1-numsegs, len-slen);
 		consume_skb(skb);
-		ret |= __NET_XMIT_STOLEN;
 	} else {
 		/* not splitting */
 		cobalt_set_enqueue_time(skb, now);
@@ -1851,7 +1849,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		}
 		b->drop_overlimit += dropped;
 	}
-	return ret;
+	return NET_XMIT_SUCCESS;
 }
 
 static struct sk_buff *cake_dequeue_one(struct Qdisc *sch)
-- 
2.35.1