From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM

---
 kernel/net/sched/cls_flow.c |   30 +++++++++++++++---------------
 1 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/kernel/net/sched/cls_flow.c b/kernel/net/sched/cls_flow.c
index 55bf75c..87398af 100644
--- a/kernel/net/sched/cls_flow.c
+++ b/kernel/net/sched/cls_flow.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * net/sched/cls_flow.c		Generic flow classifier
  *
  * Copyright (c) 2007, 2008 Patrick McHardy <kaber@trash.net>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
  */
 
 #include <linux/kernel.h>
@@ -229,7 +225,7 @@
 
 static u32 flow_get_vlan_tag(const struct sk_buff *skb)
 {
-	u16 uninitialized_var(tag);
+	u16 tag;
 
 	if (vlan_get_tag(skb, &tag) < 0)
 		return 0;
@@ -391,7 +387,8 @@
 static int flow_change(struct net *net, struct sk_buff *in_skb,
 		       struct tcf_proto *tp, unsigned long base,
 		       u32 handle, struct nlattr **tca,
-		       void **arg, bool ovr, struct netlink_ext_ack *extack)
+		       void **arg, bool ovr, bool rtnl_held,
+		       struct netlink_ext_ack *extack)
 {
 	struct flow_head *head = rtnl_dereference(tp->root);
 	struct flow_filter *fold, *fnew;
@@ -407,7 +404,8 @@
 	if (opt == NULL)
 		return -EINVAL;
 
-	err = nla_parse_nested(tb, TCA_FLOW_MAX, opt, flow_policy, NULL);
+	err = nla_parse_nested_deprecated(tb, TCA_FLOW_MAX, opt, flow_policy,
+					  NULL);
 	if (err < 0)
 		return err;
 
@@ -440,12 +438,12 @@
 	if (err < 0)
 		goto err1;
 
-	err = tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE);
+	err = tcf_exts_init(&fnew->exts, net, TCA_FLOW_ACT, TCA_FLOW_POLICE);
 	if (err < 0)
 		goto err2;
 
 	err = tcf_exts_validate(net, tp, tb, tca[TCA_RATE], &fnew->exts, ovr,
-				extack);
+				true, extack);
 	if (err < 0)
 		goto err2;
 
@@ -566,7 +564,7 @@
 }
 
 static int flow_delete(struct tcf_proto *tp, void *arg, bool *last,
-		       struct netlink_ext_ack *extack)
+		       bool rtnl_held, struct netlink_ext_ack *extack)
 {
 	struct flow_head *head = rtnl_dereference(tp->root);
 	struct flow_filter *f = arg;
@@ -590,7 +588,8 @@
 	return 0;
 }
 
-static void flow_destroy(struct tcf_proto *tp, struct netlink_ext_ack *extack)
+static void flow_destroy(struct tcf_proto *tp, bool rtnl_held,
+			 struct netlink_ext_ack *extack)
 {
 	struct flow_head *head = rtnl_dereference(tp->root);
 	struct flow_filter *f, *next;
@@ -617,7 +616,7 @@
 }
 
 static int flow_dump(struct net *net, struct tcf_proto *tp, void *fh,
-		     struct sk_buff *skb, struct tcmsg *t)
+		     struct sk_buff *skb, struct tcmsg *t, bool rtnl_held)
 {
 	struct flow_filter *f = fh;
 	struct nlattr *nest;
@@ -627,7 +626,7 @@
 
 	t->tcm_handle = f->handle;
 
-	nest = nla_nest_start(skb, TCA_OPTIONS);
+	nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
 	if (nest == NULL)
 		goto nla_put_failure;
 
@@ -677,7 +676,8 @@
 	return -1;
 }
 
-static void flow_walk(struct tcf_proto *tp, struct tcf_walker *arg)
+static void flow_walk(struct tcf_proto *tp, struct tcf_walker *arg,
+		      bool rtnl_held)
 {
 	struct flow_head *head = rtnl_dereference(tp->root);
 	struct flow_filter *f;

--
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