Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/media/usb/hdpvr/Kconfig b/drivers/media/usb/hdpvr/Kconfig
index d73d9a1..617400b 100644
--- a/drivers/media/usb/hdpvr/Kconfig
+++ b/drivers/media/usb/hdpvr/Kconfig
@@ -1,8 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
config VIDEO_HDPVR
tristate "Hauppauge HD PVR support"
depends on VIDEO_DEV && VIDEO_V4L2
- ---help---
+ help
This is a video4linux driver for Hauppauge's HD PVR USB device.
To compile this driver as a module, choose M here: the
diff --git a/drivers/media/usb/hdpvr/Makefile b/drivers/media/usb/hdpvr/Makefile
index 644dd99..d1d57e3 100644
--- a/drivers/media/usb/hdpvr/Makefile
+++ b/drivers/media/usb/hdpvr/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
hdpvr-objs := hdpvr-control.o hdpvr-core.o hdpvr-video.o hdpvr-i2c.o
obj-$(CONFIG_VIDEO_HDPVR) += hdpvr.o
diff --git a/drivers/media/usb/hdpvr/hdpvr-control.c b/drivers/media/usb/hdpvr/hdpvr-control.c
index 6e86032..37c53ab 100644
--- a/drivers/media/usb/hdpvr/hdpvr-control.c
+++ b/drivers/media/usb/hdpvr/hdpvr-control.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Hauppauge HD PVR USB driver - video 4 linux 2 interface
*
* Copyright (C) 2008 Janne Grunau (j@jannau.net)
- *
- * 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.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/media/usb/hdpvr/hdpvr-core.c b/drivers/media/usb/hdpvr/hdpvr-core.c
index 29ac7fc..b75c18a 100644
--- a/drivers/media/usb/hdpvr/hdpvr-core.c
+++ b/drivers/media/usb/hdpvr/hdpvr-core.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Hauppauge HD PVR USB driver
*
* Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com)
* Copyright (C) 2008 Janne Grunau (j@jannau.net)
* Copyright (C) 2008 John Poet
- *
- * 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.
- *
*/
#include <linux/kernel.h>
@@ -141,6 +137,7 @@
dev->fw_ver = dev->usbc_buf[1];
+ dev->usbc_buf[46] = '\0';
v4l2_info(&dev->v4l2_dev, "firmware version 0x%x dated %s\n",
dev->fw_ver, &dev->usbc_buf[2]);
@@ -275,6 +272,7 @@
#endif
size_t buffer_size;
int i;
+ int dev_num;
int retval = -ENOMEM;
/* allocate memory for our device state and initialize it */
@@ -372,8 +370,17 @@
}
#endif
+ dev_num = atomic_inc_return(&dev_nr);
+ if (dev_num >= HDPVR_MAX) {
+ v4l2_err(&dev->v4l2_dev,
+ "max device number reached, device register failed\n");
+ atomic_dec(&dev_nr);
+ retval = -ENODEV;
+ goto reg_fail;
+ }
+
retval = hdpvr_register_videodev(dev, &interface->dev,
- video_nr[atomic_inc_return(&dev_nr)]);
+ video_nr[dev_num]);
if (retval < 0) {
v4l2_err(&dev->v4l2_dev, "registering videodev failed\n");
goto reg_fail;
diff --git a/drivers/media/usb/hdpvr/hdpvr-i2c.c b/drivers/media/usb/hdpvr/hdpvr-i2c.c
index 5a3cb61..785c850 100644
--- a/drivers/media/usb/hdpvr/hdpvr-i2c.c
+++ b/drivers/media/usb/hdpvr/hdpvr-i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Hauppauge HD PVR USB driver
@@ -6,11 +7,6 @@
*
* IR device registration code is
* Copyright (C) 2010 Andy Walls <awalls@md.metrocast.net>
- *
- * 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.
- *
*/
#if IS_ENABLED(CONFIG_I2C)
@@ -61,10 +57,10 @@
return -EINVAL;
if (wlen) {
- memcpy(&dev->i2c_buf, wdata, wlen);
+ memcpy(dev->i2c_buf, wdata, wlen);
ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST,
- (bus << 8) | addr, 0, &dev->i2c_buf,
+ (bus << 8) | addr, 0, dev->i2c_buf,
wlen, 1000);
if (ret < 0)
return ret;
@@ -72,10 +68,10 @@
ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
REQTYPE_I2C_READ, CTRL_READ_REQUEST,
- (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000);
+ (bus << 8) | addr, 0, dev->i2c_buf, len, 1000);
if (ret == len) {
- memcpy(data, &dev->i2c_buf, len);
+ memcpy(data, dev->i2c_buf, len);
ret = 0;
} else if (ret >= 0)
ret = -EIO;
@@ -91,17 +87,17 @@
if (len > sizeof(dev->i2c_buf))
return -EINVAL;
- memcpy(&dev->i2c_buf, data, len);
+ memcpy(dev->i2c_buf, data, len);
ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
REQTYPE_I2C_WRITE, CTRL_WRITE_REQUEST,
- (bus << 8) | addr, 0, &dev->i2c_buf, len, 1000);
+ (bus << 8) | addr, 0, dev->i2c_buf, len, 1000);
if (ret < 0)
return ret;
ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
REQTYPE_I2C_WRITE_STATT, CTRL_READ_REQUEST,
- 0, 0, &dev->i2c_buf, 2, 1000);
+ 0, 0, dev->i2c_buf, 2, 1000);
if ((ret == 2) && (dev->i2c_buf[1] == (len - 1)))
ret = 0;
@@ -197,8 +193,6 @@
int hdpvr_register_i2c_adapter(struct hdpvr_device *dev)
{
- int retval = -ENOMEM;
-
hdpvr_activate_ir(dev);
dev->i2c_adapter = hdpvr_i2c_adapter_template;
@@ -206,9 +200,7 @@
i2c_set_adapdata(&dev->i2c_adapter, dev);
- retval = i2c_add_adapter(&dev->i2c_adapter);
-
- return retval;
+ return i2c_add_adapter(&dev->i2c_adapter);
}
#endif
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
index 1b89c77..bad71d8 100644
--- a/drivers/media/usb/hdpvr/hdpvr-video.c
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Hauppauge HD PVR USB driver - video 4 linux 2 interface
*
* Copyright (C) 2008 Janne Grunau (j@jannau.net)
- *
- * 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.
- *
*/
#include <linux/kernel.h>
@@ -439,7 +435,7 @@
/* wait for the first buffer */
if (!(file->f_flags & O_NONBLOCK)) {
if (wait_event_interruptible(dev->wait_data,
- hdpvr_get_next_buffer(dev)))
+ !list_empty_careful(&dev->rec_buff_list)))
return -ERESTARTSYS;
}
@@ -465,10 +461,17 @@
goto err;
}
if (!err) {
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "timeout: restart streaming\n");
+ v4l2_info(&dev->v4l2_dev,
+ "timeout: restart streaming\n");
+ mutex_lock(&dev->io_mutex);
hdpvr_stop_streaming(dev);
- msecs_to_jiffies(4000);
+ mutex_unlock(&dev->io_mutex);
+ /*
+ * The FW needs about 4 seconds after streaming
+ * stopped before it is ready to restart
+ * streaming.
+ */
+ msleep(4000);
err = hdpvr_start_streaming(dev);
if (err) {
ret = err;
@@ -578,12 +581,9 @@
{
struct hdpvr_device *dev = video_drvdata(file);
- strcpy(cap->driver, "hdpvr");
- strcpy(cap->card, "Hauppauge HD PVR");
+ strscpy(cap->driver, "hdpvr", sizeof(cap->driver));
+ strscpy(cap->card, "Hauppauge HD PVR", sizeof(cap->card));
usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
- cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO |
- V4L2_CAP_READWRITE;
- cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@@ -769,8 +769,7 @@
i->type = V4L2_INPUT_TYPE_CAMERA;
- strncpy(i->name, iname[n], sizeof(i->name) - 1);
- i->name[sizeof(i->name) - 1] = '\0';
+ strscpy(i->name, iname[n], sizeof(i->name));
i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF;
@@ -841,8 +840,7 @@
audio->capability = V4L2_AUDCAP_STEREO;
- strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1);
- audio->name[sizeof(audio->name) - 1] = '\0';
+ strscpy(audio->name, audio_iname[n], sizeof(audio->name));
return 0;
}
@@ -873,8 +871,7 @@
audio->index = dev->options.audio_input;
audio->capability = V4L2_AUDCAP_STEREO;
- strlcpy(audio->name, audio_iname[audio->index], sizeof(audio->name));
- audio->name[sizeof(audio->name) - 1] = '\0';
+ strscpy(audio->name, audio_iname[audio->index], sizeof(audio->name));
return 0;
}
@@ -990,8 +987,6 @@
if (f->index != 0)
return -EINVAL;
- f->flags = V4L2_FMT_FLAG_COMPRESSED;
- strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32);
f->pixelformat = V4L2_PIX_FMT_MPEG;
return 0;
@@ -1133,9 +1128,7 @@
struct hdpvr_device *dev = video_get_drvdata(vdev);
hdpvr_delete(dev);
- mutex_lock(&dev->io_mutex);
flush_work(&dev->worker);
- mutex_unlock(&dev->io_mutex);
v4l2_device_unregister(&dev->v4l2_dev);
v4l2_ctrl_handler_free(&dev->hdl);
@@ -1156,6 +1149,8 @@
.release = hdpvr_device_release,
.ioctl_ops = &hdpvr_ioctl_ops,
.tvnorms = V4L2_STD_ALL,
+ .device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO |
+ V4L2_CAP_READWRITE,
};
static const struct v4l2_ctrl_ops hdpvr_ctrl_ops = {
@@ -1238,7 +1233,8 @@
/* setup and register video device */
dev->video_dev = hdpvr_video_template;
- strcpy(dev->video_dev.name, "Hauppauge HD PVR");
+ strscpy(dev->video_dev.name, "Hauppauge HD PVR",
+ sizeof(dev->video_dev.name));
dev->video_dev.v4l2_dev = &dev->v4l2_dev;
video_set_drvdata(&dev->video_dev, dev);
diff --git a/drivers/media/usb/hdpvr/hdpvr.h b/drivers/media/usb/hdpvr/hdpvr.h
index 1d65b41..84519c9 100644
--- a/drivers/media/usb/hdpvr/hdpvr.h
+++ b/drivers/media/usb/hdpvr/hdpvr.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Hauppauge HD PVR USB driver
*
* Copyright (C) 2008 Janne Grunau (j@jannau.net)
- *
- * 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.
- *
*/
#include <linux/usb.h>
@@ -215,7 +211,7 @@
*/
/* :0 s 38 01 1700 0003 0001 1 = 00
- * VIDEO STANDARD or FREQUNCY 0 = 60hz, 1 = 50hz
+ * VIDEO STANDARD or FREQUENCY 0 = 60hz, 1 = 50hz
*/
/* :0 s 38 01 3100 0003 0004 4 = 03030000