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/netrom/af_netrom.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/kernel/net/netrom/af_netrom.c b/kernel/net/netrom/af_netrom.c
index e5c8a29..2474716 100644
--- a/kernel/net/netrom/af_netrom.c
+++ b/kernel/net/netrom/af_netrom.c
@@ -400,6 +400,11 @@
struct sock *sk = sock->sk;
lock_sock(sk);
+ if (sock->state != SS_UNCONNECTED) {
+ release_sock(sk);
+ return -EINVAL;
+ }
+
if (sk->sk_state != TCP_LISTEN) {
memset(&nr_sk(sk)->user_addr, 0, AX25_ADDR_LEN);
sk->sk_max_ack_backlog = backlog;
@@ -655,6 +660,11 @@
goto out_release;
}
+ if (sock->state == SS_CONNECTING) {
+ err = -EALREADY;
+ goto out_release;
+ }
+
sk->sk_state = TCP_CLOSE;
sock->state = SS_UNCONNECTED;
--
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