disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/radio/si470x/radio-si470x-usb.c
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@@ -1,19 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  drivers/media/radio/si470x/radio-si470x-usb.c
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  *
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  *  USB driver for radios with Silicon Labs Si470x FM Radio Receivers
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  *
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  *  Copyright (c) 2009 Tobias Lorenz <tobias.lorenz@gmx.net>
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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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@@ -519,13 +510,10 @@
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 {
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 	struct si470x_device *radio = video_drvdata(file);
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-	strlcpy(capability->driver, DRIVER_NAME, sizeof(capability->driver));
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-	strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card));
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+	strscpy(capability->driver, DRIVER_NAME, sizeof(capability->driver));
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+	strscpy(capability->card, DRIVER_CARD, sizeof(capability->card));
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 	usb_make_path(radio->usbdev, capability->bus_info,
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 			sizeof(capability->bus_info));
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-	capability->device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE |
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-		V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
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-	capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
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 	return 0;
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 }
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..
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@@ -679,6 +667,9 @@
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 	radio->videodev.lock = &radio->lock;
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 	radio->videodev.v4l2_dev = &radio->v4l2_dev;
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 	radio->videodev.release = video_device_release_empty;
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+	radio->videodev.device_caps =
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+		V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE | V4L2_CAP_TUNER |
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+		V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
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 	video_set_drvdata(&radio->videodev, radio);
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 	/* get device and chip versions */
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@@ -742,8 +733,10 @@
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 	/* start radio */
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 	retval = si470x_start_usb(radio);
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-	if (retval < 0)
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+	if (retval < 0 && !radio->int_in_running)
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 		goto err_buf;
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+	else if (retval < 0)	/* in case of radio->int_in_running == 1 */
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+		goto err_all;
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 	/* set initial frequency */
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 	si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */