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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/media/usb/hackrf/hackrf.c
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@@ -1,17 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * HackRF driver
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  *
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  * Copyright (C) 2014 Antti Palosaari <crope@iki.fi>
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- *
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- *    This program is free software; you can redistribute it and/or modify
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- *    it under the terms of the GNU General Public License as published by
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- *    the Free Software Foundation; either version 2 of the License, or
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- *    (at your option) any later version.
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- *
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- *    This program is distributed in the hope that it will be useful,
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- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *    GNU General Public License for more details.
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  */
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 #include <linux/module.h>
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@@ -905,21 +896,15 @@
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 {
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 	struct hackrf_dev *dev = video_drvdata(file);
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 	struct usb_interface *intf = dev->intf;
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-	struct video_device *vdev = video_devdata(file);
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 	dev_dbg(&intf->dev, "\n");
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-	cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
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-	if (vdev->vfl_dir == VFL_DIR_RX)
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-		cap->device_caps |= V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER;
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-	else
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-		cap->device_caps |= V4L2_CAP_SDR_OUTPUT | V4L2_CAP_MODULATOR;
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-
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 	cap->capabilities = V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER |
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 			    V4L2_CAP_SDR_OUTPUT | V4L2_CAP_MODULATOR |
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-			    V4L2_CAP_DEVICE_CAPS | cap->device_caps;
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-	strlcpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
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-	strlcpy(cap->card, dev->rx_vdev.name, sizeof(cap->card));
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+			    V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
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+			    V4L2_CAP_DEVICE_CAPS;
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+	strscpy(cap->driver, KBUILD_MODNAME, sizeof(cap->driver));
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+	strscpy(cap->card, dev->rx_vdev.name, sizeof(cap->card));
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 	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
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 	return 0;
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@@ -1041,14 +1026,14 @@
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 	dev_dbg(dev->dev, "index=%d\n", v->index);
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 	if (v->index == 0) {
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-		strlcpy(v->name, "HackRF ADC", sizeof(v->name));
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+		strscpy(v->name, "HackRF ADC", sizeof(v->name));
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 		v->type = V4L2_TUNER_SDR;
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 		v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
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 		v->rangelow  = bands_adc_dac[0].rangelow;
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 		v->rangehigh = bands_adc_dac[0].rangehigh;
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 		ret = 0;
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 	} else if (v->index == 1) {
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-		strlcpy(v->name, "HackRF RF", sizeof(v->name));
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+		strscpy(v->name, "HackRF RF", sizeof(v->name));
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 		v->type = V4L2_TUNER_RF;
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 		v->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
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 		v->rangelow  = bands_rx_tx[0].rangelow;
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@@ -1080,14 +1065,14 @@
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 	dev_dbg(dev->dev, "index=%d\n", a->index);
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 	if (a->index == 0) {
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-		strlcpy(a->name, "HackRF DAC", sizeof(a->name));
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+		strscpy(a->name, "HackRF DAC", sizeof(a->name));
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 		a->type = V4L2_TUNER_SDR;
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 		a->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
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 		a->rangelow  = bands_adc_dac[0].rangelow;
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 		a->rangehigh = bands_adc_dac[0].rangehigh;
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 		ret = 0;
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 	} else if (a->index == 1) {
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-		strlcpy(a->name, "HackRF RF", sizeof(a->name));
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+		strscpy(a->name, "HackRF RF", sizeof(a->name));
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 		a->type = V4L2_TUNER_RF;
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 		a->capability = V4L2_TUNER_CAP_1HZ | V4L2_TUNER_CAP_FREQ_BANDS;
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 		a->rangelow  = bands_rx_tx[0].rangelow;
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@@ -1496,6 +1481,8 @@
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 	dev->rx_vdev.ctrl_handler = &dev->rx_ctrl_handler;
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 	dev->rx_vdev.lock = &dev->v4l2_lock;
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 	dev->rx_vdev.vfl_dir = VFL_DIR_RX;
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+	dev->rx_vdev.device_caps = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
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+				   V4L2_CAP_SDR_CAPTURE | V4L2_CAP_TUNER;
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 	video_set_drvdata(&dev->rx_vdev, dev);
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 	ret = video_register_device(&dev->rx_vdev, VFL_TYPE_SDR, -1);
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 	if (ret) {
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@@ -1514,6 +1501,8 @@
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 	dev->tx_vdev.ctrl_handler = &dev->tx_ctrl_handler;
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 	dev->tx_vdev.lock = &dev->v4l2_lock;
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 	dev->tx_vdev.vfl_dir = VFL_DIR_TX;
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+	dev->tx_vdev.device_caps = V4L2_CAP_STREAMING | V4L2_CAP_READWRITE |
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+				   V4L2_CAP_SDR_OUTPUT | V4L2_CAP_MODULATOR;
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 	video_set_drvdata(&dev->tx_vdev, dev);
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 	ret = video_register_device(&dev->tx_vdev, VFL_TYPE_SDR, -1);
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 	if (ret) {