From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/tty/n_gsm.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/tty/n_gsm.c b/kernel/drivers/tty/n_gsm.c
index f506349..94c9634 100644
--- a/kernel/drivers/tty/n_gsm.c
+++ b/kernel/drivers/tty/n_gsm.c
@@ -50,6 +50,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/gsmmux.h>
+#include "tty.h"
static int debug;
module_param(debug, int, 0600);
@@ -2158,12 +2159,13 @@
static void gsm_cleanup_mux(struct gsm_mux *gsm, bool disc)
{
int i;
- struct gsm_dlci *dlci = gsm->dlci[0];
+ struct gsm_dlci *dlci;
struct gsm_msg *txq, *ntxq;
gsm->dead = true;
mutex_lock(&gsm->mutex);
+ dlci = gsm->dlci[0];
if (dlci) {
if (disc && dlci->state != DLCI_CLOSED) {
gsm_dlci_begin_close(dlci);
@@ -2177,8 +2179,10 @@
/* Free up any link layer users and finally the control channel */
for (i = NUM_DLCI - 1; i >= 0; i--)
- if (gsm->dlci[i])
+ if (gsm->dlci[i]) {
gsm_dlci_release(gsm->dlci[i]);
+ gsm->dlci[i] = NULL;
+ }
mutex_unlock(&gsm->mutex);
/* Now wipe the queues */
tty_ldisc_flush(gsm->tty);
--
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