Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/media/usb/pwc/pwc-v4l.c b/drivers/media/usb/pwc/pwc-v4l.c
index 043b2b9..2f135d5 100644
--- a/drivers/media/usb/pwc/pwc-v4l.c
+++ b/drivers/media/usb/pwc/pwc-v4l.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /* Linux driver for Philips webcam
    USB and Video4Linux interface part.
    (C) 1999-2004 Nemosoft Unv.
@@ -10,19 +11,6 @@
    The decompression routines have been implemented by reverse-engineering the
    Nemosoft binary pwcx module. Caveat emptor.
 
-   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; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 */
 
@@ -492,12 +480,9 @@
 {
 	struct pwc_device *pdev = video_drvdata(file);
 
-	strcpy(cap->driver, PWC_NAME);
-	strlcpy(cap->card, pdev->vdev.name, sizeof(cap->card));
+	strscpy(cap->driver, PWC_NAME, sizeof(cap->driver));
+	strscpy(cap->card, pdev->vdev.name, sizeof(cap->card));
 	usb_make_path(pdev->udev, cap->bus_info, sizeof(cap->bus_info));
-	cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
-					V4L2_CAP_READWRITE;
-	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
 	return 0;
 }
 
@@ -506,7 +491,7 @@
 	if (i->index)	/* Only one INPUT is supported */
 		return -EINVAL;
 
-	strlcpy(i->name, "Camera", sizeof(i->name));
+	strscpy(i->name, "Camera", sizeof(i->name));
 	i->type = V4L2_INPUT_TYPE_CAMERA;
 	return 0;
 }
@@ -888,12 +873,9 @@
 	case 0:
 		/* RAW format */
 		f->pixelformat = pdev->type <= 646 ? V4L2_PIX_FMT_PWC1 : V4L2_PIX_FMT_PWC2;
-		f->flags = V4L2_FMT_FLAG_COMPRESSED;
-		strlcpy(f->description, "Raw Philips Webcam", sizeof(f->description));
 		break;
 	case 1:
 		f->pixelformat = V4L2_PIX_FMT_YUV420;
-		strlcpy(f->description, "4:2:0, planar, Y-Cb-Cr", sizeof(f->description));
 		break;
 	default:
 		return -EINVAL;