diff mbox series

[v4,net-next,1/3] net/sched: fix miss init the mru in qdisc_skb_cb

Message ID 1606276883-6825-2-git-send-email-wenxu@ucloud.cn (mailing list archive)
State Accepted
Delegated to: Netdev Maintainers
Headers show
Series net/sched: fix over mtu packet of defrag in | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 10 this patch: 10
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 14 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 10 this patch: 10
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

wenxu Nov. 25, 2020, 4:01 a.m. UTC 
From: wenxu <wenxu@ucloud.cn>

The mru in the qdisc_skb_cb should be init as 0. Only defrag packets in the
act_ct will set the value.

Fixes: 038ebb1a713d ("net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct")
Signed-off-by: wenxu <wenxu@ucloud.cn>
---
v4: no change

 net/core/dev.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/net/core/dev.c b/net/core/dev.c
index 60d325b..d0efa98 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3867,6 +3867,7 @@  int dev_loopback_xmit(struct net *net, struct sock *sk, struct sk_buff *skb)
 		return skb;
 
 	/* qdisc_skb_cb(skb)->pkt_len was already set by the caller. */
+	qdisc_skb_cb(skb)->mru = 0;
 	mini_qdisc_bstats_cpu_update(miniq, skb);
 
 	switch (tcf_classify(skb, miniq->filter_list, &cl_res, false)) {
@@ -4954,6 +4955,7 @@  static __latent_entropy void net_tx_action(struct softirq_action *h)
 	}
 
 	qdisc_skb_cb(skb)->pkt_len = skb->len;
+	qdisc_skb_cb(skb)->mru = 0;
 	skb->tc_at_ingress = 1;
 	mini_qdisc_bstats_cpu_update(miniq, skb);