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/dccp/output.c | 16 ++++++----------
1 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/kernel/net/dccp/output.c b/kernel/net/dccp/output.c
index 91a15b3..d679032 100644
--- a/kernel/net/dccp/output.c
+++ b/kernel/net/dccp/output.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* net/dccp/output.c
*
* An implementation of the DCCP protocol
* Arnaldo Carvalho de Melo <acme@conectiva.com.br>
- *
- * 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/dccp.h>
@@ -66,7 +62,7 @@
switch (dcb->dccpd_type) {
case DCCP_PKT_DATA:
set_ack = 0;
- /* fall through */
+ fallthrough;
case DCCP_PKT_DATAACK:
case DCCP_PKT_RESET:
break;
@@ -76,12 +72,12 @@
/* Use ISS on the first (non-retransmitted) Request. */
if (icsk->icsk_retransmits == 0)
dcb->dccpd_seq = dp->dccps_iss;
- /* fall through */
+ fallthrough;
case DCCP_PKT_SYNC:
case DCCP_PKT_SYNCACK:
ackno = dcb->dccpd_ack_seq;
- /* fall through */
+ fallthrough;
default:
/*
* Set owner/destructor: some skbs are allocated via
@@ -189,7 +185,7 @@
/* And store cached results */
icsk->icsk_pmtu_cookie = pmtu;
- dp->dccps_mss_cache = cur_mps;
+ WRITE_ONCE(dp->dccps_mss_cache, cur_mps);
return cur_mps;
}
@@ -485,7 +481,7 @@
case DCCP_RESET_CODE_PACKET_ERROR:
dhr->dccph_reset_data[0] = rxdh->dccph_type;
break;
- case DCCP_RESET_CODE_OPTION_ERROR: /* fall through */
+ case DCCP_RESET_CODE_OPTION_ERROR:
case DCCP_RESET_CODE_MANDATORY_ERROR:
memcpy(dhr->dccph_reset_data, dcb->dccpd_reset_data, 3);
break;
--
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