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/x25/x25_dev.c | 11 +++--------
1 files changed, 3 insertions(+), 8 deletions(-)
diff --git a/kernel/net/x25/x25_dev.c b/kernel/net/x25/x25_dev.c
index 30f7162..226397a 100644
--- a/kernel/net/x25/x25_dev.c
+++ b/kernel/net/x25/x25_dev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* X.25 Packet Layer release 002
*
@@ -5,12 +6,6 @@
* releases, misbehave and/or generally screw up. It might even work.
*
* This code REQUIRES 2.1.15 or higher
- *
- * This module:
- * This module 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.
*
* History
* X.25 001 Jonathan Naylor Started coding.
@@ -60,7 +55,7 @@
if (!sock_owned_by_user(sk)) {
queued = x25_process_rx_frame(sk, skb);
} else {
- queued = !sk_add_backlog(sk, skb, sk->sk_rcvbuf);
+ queued = !sk_add_backlog(sk, skb, READ_ONCE(sk->sk_rcvbuf));
}
bh_unlock_sock(sk);
sock_put(sk);
@@ -122,7 +117,7 @@
if (!pskb_may_pull(skb, 1)) {
x25_neigh_put(nb);
- return 0;
+ goto drop;
}
switch (skb->data[0]) {
--
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