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/caif/caif_usb.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/kernel/net/caif/caif_usb.c b/kernel/net/caif/caif_usb.c
index 76d49a1..24488a4 100644
--- a/kernel/net/caif/caif_usb.c
+++ b/kernel/net/caif/caif_usb.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* CAIF USB handler
* Copyright (C) ST-Ericsson AB 2011
* Author: Sjur Brendeland
- * License terms: GNU General Public License (GPL) version 2
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__
@@ -63,7 +62,7 @@
hpad = (info->hdr_len + CFUSB_PAD_DESCR_SZ) & (CFUSB_ALIGNMENT - 1);
if (skb_headroom(skb) < ETH_HLEN + CFUSB_PAD_DESCR_SZ + hpad) {
- pr_warn("Headroom to small\n");
+ pr_warn("Headroom too small\n");
kfree_skb(skb);
return -EIO;
}
@@ -135,6 +134,9 @@
struct usb_device *usbdev;
int res;
+ if (what == NETDEV_UNREGISTER && dev->reg_state >= NETREG_UNREGISTERED)
+ return 0;
+
/* Check whether we have a NCM device, and find its VID/PID. */
if (!(dev->dev.parent && dev->dev.parent->driver &&
strcmp(dev->dev.parent->driver->name, "cdc_ncm") == 0))
--
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