rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/drivers/media/pci/saa7164/saa7164-encoder.c
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@@ -1,18 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  Driver for the NXP SAA7164 PCIe bridge
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  *
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  *  Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com>
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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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- *
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- *  GNU General Public License for more details.
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  */
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 #include "saa7164.h"
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@@ -258,7 +248,7 @@
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 	if (i->index >= 7)
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 		return -EINVAL;
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-	strcpy(i->name, inputs[i->index]);
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+	strscpy(i->name, inputs[i->index], sizeof(i->name));
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 	if (i->index == 0)
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 		i->type = V4L2_INPUT_TYPE_TUNER;
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@@ -325,7 +315,7 @@
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 	if (0 != t->index)
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 		return -EINVAL;
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-	strcpy(t->name, "tuner");
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+	strscpy(t->name, "tuner", sizeof(t->name));
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 	t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO;
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 	t->rangelow = SAA7164_TV_MIN_FREQ;
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 	t->rangehigh = SAA7164_TV_MAX_FREQ;
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@@ -497,20 +487,13 @@
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 	struct saa7164_port *port = fh->port;
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 	struct saa7164_dev *dev = port->dev;
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-	strcpy(cap->driver, dev->name);
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-	strlcpy(cap->card, saa7164_boards[dev->board].name,
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+	strscpy(cap->driver, dev->name, sizeof(cap->driver));
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+	strscpy(cap->card, saa7164_boards[dev->board].name,
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 		sizeof(cap->card));
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 	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
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-
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-	cap->device_caps =
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-		V4L2_CAP_VIDEO_CAPTURE |
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-		V4L2_CAP_READWRITE |
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-		V4L2_CAP_TUNER;
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-
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-	cap->capabilities = cap->device_caps |
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-		V4L2_CAP_VBI_CAPTURE |
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-		V4L2_CAP_DEVICE_CAPS;
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-
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+	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
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+			    V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE |
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+			    V4L2_CAP_DEVICE_CAPS;
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 	return 0;
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 }
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@@ -520,7 +503,6 @@
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 	if (f->index != 0)
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 		return -EINVAL;
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-	strlcpy(f->description, "MPEG", sizeof(f->description));
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 	f->pixelformat = V4L2_PIX_FMT_MPEG;
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 	return 0;
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@@ -983,6 +965,8 @@
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 	.ioctl_ops     = &mpeg_ioctl_ops,
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 	.minor         = -1,
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 	.tvnorms       = SAA7164_NORMS,
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+	.device_caps   = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
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+			 V4L2_CAP_TUNER,
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 };
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 static struct video_device *saa7164_encoder_alloc(
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@@ -1103,7 +1087,7 @@
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 	v4l2_ctrl_handler_setup(hdl);
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 	video_set_drvdata(port->v4l_device, port);
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 	result = video_register_device(port->v4l_device,
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-		VFL_TYPE_GRABBER, -1);
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+		VFL_TYPE_VIDEO, -1);
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 	if (result < 0) {
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 		printk(KERN_INFO "%s: can't register mpeg device\n",
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 			dev->name);