From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/drivers/net/usb/hso.c | 96 ++++++++++++++++++++++-------------------------
1 files changed, 45 insertions(+), 51 deletions(-)
diff --git a/kernel/drivers/net/usb/hso.c b/kernel/drivers/net/usb/hso.c
index 77a7a7d..db48421 100644
--- a/kernel/drivers/net/usb/hso.c
+++ b/kernel/drivers/net/usb/hso.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*
* Driver for Option High Speed Mobile Devices.
@@ -10,21 +11,6 @@
* <ajb@spheresystems.co.uk>
* Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de>
* Copyright (C) 2008 Novell, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA
- *
*
*****************************************************************************/
@@ -200,7 +186,7 @@
int intr_completed;
struct usb_endpoint_descriptor *endp;
struct urb *urb;
- struct hso_serial_state_notification serial_state_notification;
+ struct hso_serial_state_notification *serial_state_notification;
u16 prev_UART_state_bitmap;
struct uart_icount icount;
};
@@ -833,7 +819,7 @@
};
/* called when a packet did not ack after watchdogtimeout */
-static void hso_net_tx_timeout(struct net_device *net)
+static void hso_net_tx_timeout(struct net_device *net, unsigned int txqueue)
{
struct hso_net *odev = netdev_priv(net);
@@ -844,8 +830,7 @@
dev_warn(&net->dev, "Tx timed out.\n");
/* Tear the waiting frame off the list */
- if (odev->mux_bulk_tx_urb &&
- (odev->mux_bulk_tx_urb->status == -EINPROGRESS))
+ if (odev->mux_bulk_tx_urb)
usb_unlink_urb(odev->mux_bulk_tx_urb);
/* Update statistics */
@@ -1227,8 +1212,9 @@
* This needs to be a tasklet otherwise we will
* end up recursively calling this function.
*/
-static void hso_unthrottle_tasklet(struct hso_serial *serial)
+static void hso_unthrottle_tasklet(unsigned long data)
{
+ struct hso_serial *serial = (struct hso_serial *)data;
unsigned long flags;
spin_lock_irqsave(&serial->serial_lock, flags);
@@ -1278,7 +1264,7 @@
/* Force default termio settings */
_hso_serial_set_termios(tty, NULL);
tasklet_init(&serial->unthrottle_tasklet,
- (void (*)(unsigned long))hso_unthrottle_tasklet,
+ hso_unthrottle_tasklet,
(unsigned long)serial);
result = hso_start_serial_device(serial->parent, GFP_KERNEL);
if (result) {
@@ -1446,7 +1432,7 @@
usb_rcvintpipe(usb,
tiocmget->endp->
bEndpointAddress & 0x7F),
- &tiocmget->serial_state_notification,
+ tiocmget->serial_state_notification,
sizeof(struct hso_serial_state_notification),
tiocmget_intr_callback, serial,
tiocmget->endp->bInterval);
@@ -1493,7 +1479,7 @@
/* wIndex should be the USB interface number of the port to which the
* notification applies, which should always be the Modem port.
*/
- serial_state_notification = &tiocmget->serial_state_notification;
+ serial_state_notification = tiocmget->serial_state_notification;
if (serial_state_notification->bmRequestType != BM_REQUEST_TYPE ||
serial_state_notification->bNotification != B_NOTIFICATION ||
le16_to_cpu(serial_state_notification->wValue) != W_VALUE ||
@@ -2476,10 +2462,9 @@
&interface_to_usbdev(interface)->dev,
RFKILL_TYPE_WWAN,
&hso_rfkill_ops, hso_dev);
- if (!hso_net->rfkill) {
- dev_err(dev, "%s - Out of memory\n", __func__);
+ if (!hso_net->rfkill)
return;
- }
+
if (rfkill_register(hso_net->rfkill) < 0) {
rfkill_destroy(hso_net->rfkill);
hso_net->rfkill = NULL;
@@ -2552,13 +2537,17 @@
if (!hso_net->mux_bulk_tx_buf)
goto err_free_tx_urb;
- add_net_device(hso_dev);
+ result = add_net_device(hso_dev);
+ if (result) {
+ dev_err(&interface->dev, "Failed to add net device\n");
+ goto err_free_tx_buf;
+ }
/* registering our net device */
result = register_netdev(net);
if (result) {
dev_err(&interface->dev, "Failed to register device\n");
- goto err_free_tx_buf;
+ goto err_rmv_ndev;
}
hso_log_port(hso_dev);
@@ -2567,8 +2556,9 @@
return hso_dev;
-err_free_tx_buf:
+err_rmv_ndev:
remove_net_device(hso_dev);
+err_free_tx_buf:
kfree(hso_net->mux_bulk_tx_buf);
err_free_tx_urb:
usb_free_urb(hso_net->mux_bulk_tx_urb);
@@ -2594,6 +2584,8 @@
usb_free_urb(tiocmget->urb);
tiocmget->urb = NULL;
serial->tiocmget = NULL;
+ kfree(tiocmget->serial_state_notification);
+ tiocmget->serial_state_notification = NULL;
kfree(tiocmget);
}
}
@@ -2644,29 +2636,31 @@
num_urbs = 2;
serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget),
GFP_KERNEL);
- /* it isn't going to break our heart if serial->tiocmget
- * allocation fails don't bother checking this.
- */
- if (serial->tiocmget) {
- tiocmget = serial->tiocmget;
- tiocmget->endp = hso_get_ep(interface,
- USB_ENDPOINT_XFER_INT,
- USB_DIR_IN);
- if (!tiocmget->endp) {
- dev_err(&interface->dev, "Failed to find INT IN ep\n");
- goto exit;
- }
-
- tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (tiocmget->urb) {
- mutex_init(&tiocmget->mutex);
- init_waitqueue_head(&tiocmget->waitq);
- } else
- hso_free_tiomget(serial);
+ if (!serial->tiocmget)
+ goto exit;
+ serial->tiocmget->serial_state_notification
+ = kzalloc(sizeof(struct hso_serial_state_notification),
+ GFP_KERNEL);
+ if (!serial->tiocmget->serial_state_notification)
+ goto exit;
+ tiocmget = serial->tiocmget;
+ tiocmget->endp = hso_get_ep(interface,
+ USB_ENDPOINT_XFER_INT,
+ USB_DIR_IN);
+ if (!tiocmget->endp) {
+ dev_err(&interface->dev, "Failed to find INT IN ep\n");
+ goto exit;
}
- }
- else
+
+ tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!tiocmget->urb)
+ goto exit;
+
+ mutex_init(&tiocmget->mutex);
+ init_waitqueue_head(&tiocmget->waitq);
+ } else {
num_urbs = 1;
+ }
if (hso_serial_common_create(serial, num_urbs, BULK_URB_RX_SIZE,
BULK_URB_TX_SIZE))
@@ -2682,7 +2676,7 @@
if (!
(serial->out_endp =
hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT))) {
- dev_err(&interface->dev, "Failed to find BULK IN ep\n");
+ dev_err(&interface->dev, "Failed to find BULK OUT ep\n");
goto exit2;
}
--
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