From: David S. Miller <davem@davemloft.net>
Date: Mon, 18 Aug 2008 06:37:16 +0000 (-0700)
Subject: pkt_sched: Fix missed RCU unlock in dev_queue_xmit()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=96d203169d1d851ac1468f7d4459a09581be364c;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

pkt_sched: Fix missed RCU unlock in dev_queue_xmit()

Noticed by Jarek Poplawski.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index 819f0175bdc9..8d133802372b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1805,14 +1805,12 @@ gso:
 		spin_lock(root_lock);
 
 		if (unlikely(test_bit(__QDISC_STATE_DEACTIVATED, &q->state))) {
-			spin_unlock(root_lock);
+			kfree_skb(skb);
 			rc = NET_XMIT_DROP;
-			goto out_kfree_skb;
+		} else {
+			rc = qdisc_enqueue_root(skb, q);
+			qdisc_run(q);
 		}
-
-		rc = qdisc_enqueue_root(skb, q);
-		qdisc_run(q);
-
 		spin_unlock(root_lock);
 
 		goto out;