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/kcm/kcmsock.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/kernel/net/kcm/kcmsock.c b/kernel/net/kcm/kcmsock.c
index 32b516a..39b3c7f 100644
--- a/kernel/net/kcm/kcmsock.c
+++ b/kernel/net/kcm/kcmsock.c
@@ -1064,15 +1064,18 @@
out_error:
kcm_push(kcm);
- if (copied && sock->type == SOCK_SEQPACKET) {
+ if (sock->type == SOCK_SEQPACKET) {
/* Wrote some bytes before encountering an
* error, return partial success.
*/
- goto partial_message;
- }
-
- if (head != kcm->seq_skb)
+ if (copied)
+ goto partial_message;
+ if (head != kcm->seq_skb)
+ kfree_skb(head);
+ } else {
kfree_skb(head);
+ kcm->seq_skb = NULL;
+ }
err = sk_stream_error(sk, msg->msg_flags, err);
@@ -1982,6 +1985,8 @@
* that all multiplexors and psocks have been destroyed.
*/
WARN_ON(!list_empty(&knet->mux_list));
+
+ mutex_destroy(&knet->mutex);
}
static struct pernet_operations kcm_net_ops = {
--
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