From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/media/usb/dvb-usb/az6027.c | 27 ++++++++++++++++++++-------
1 files changed, 20 insertions(+), 7 deletions(-)
diff --git a/kernel/drivers/media/usb/dvb-usb/az6027.c b/kernel/drivers/media/usb/dvb-usb/az6027.c
index 9907197..991f451 100644
--- a/kernel/drivers/media/usb/dvb-usb/az6027.c
+++ b/kernel/drivers/media/usb/dvb-usb/az6027.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* DVB USB compliant Linux driver for the AZUREWAVE DVB-S/S2 USB2.0 (AZ6027)
* receiver.
*
* Copyright (C) 2009 Adams.Xu <adams.xu@azwave.com.cn>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, version 2.
- *
- * see Documentation/media/dvb-drivers/dvb-usb.rst for more information
+ * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
*/
#include "az6027.h"
@@ -978,6 +975,10 @@
if (msg[i].addr == 0x99) {
req = 0xBE;
index = 0;
+ if (msg[i].len < 1) {
+ i = -EOPNOTSUPP;
+ break;
+ }
value = msg[i].buf[0] & 0x00ff;
length = 1;
az6027_usb_out_op(d, req, value, index, data, length);
@@ -987,6 +988,10 @@
/* write/read request */
if (i + 1 < num && (msg[i + 1].flags & I2C_M_RD)) {
req = 0xB9;
+ if (msg[i].len < 1) {
+ i = -EOPNOTSUPP;
+ break;
+ }
index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
value = msg[i].addr + (msg[i].len << 8);
length = msg[i + 1].len + 6;
@@ -1000,6 +1005,10 @@
/* demod 16bit addr */
req = 0xBD;
+ if (msg[i].len < 1) {
+ i = -EOPNOTSUPP;
+ break;
+ }
index = (((msg[i].buf[0] << 8) & 0xff00) | (msg[i].buf[1] & 0x00ff));
value = msg[i].addr + (2 << 8);
length = msg[i].len - 2;
@@ -1025,6 +1034,10 @@
} else {
req = 0xBD;
+ if (msg[i].len < 1) {
+ i = -EOPNOTSUPP;
+ break;
+ }
index = msg[i].buf[0] & 0x00FF;
value = msg[i].addr + (1 << 8);
length = msg[i].len - 1;
@@ -1055,8 +1068,8 @@
};
static int az6027_identify_state(struct usb_device *udev,
- struct dvb_usb_device_properties *props,
- struct dvb_usb_device_description **desc,
+ const struct dvb_usb_device_properties *props,
+ const struct dvb_usb_device_description **desc,
int *cold)
{
u8 *b;
--
Gitblit v1.6.2