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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/watchdog/sbc60xxwdt.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *	60xx Single Board Computer Watchdog Timer driver for Linux 2.2.x
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  *
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  *	Based on acquirewdt.c by Alan Cox.
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- *
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- *	This program is free software; you can redistribute it and/or
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- *	modify it under the terms of the GNU General Public License
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- *	as published by the Free Software Foundation; either version
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- *	2 of the License, or (at your option) any later version.
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  *
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  *	The author does NOT admit liability nor provide warranty for
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  *	any of this software. This material is provided "AS-IS" in
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@@ -38,14 +34,12 @@
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  *                            added extra printk's for startup problems
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  *                            added MODULE_AUTHOR and MODULE_DESCRIPTION info
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  *
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- *
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  *  This WDT driver is different from the other Linux WDT
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  *  drivers in the following ways:
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  *  *)  The driver will ping the watchdog by itself, because this
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  *      particular WDT has a very short timeout (one second) and it
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  *      would be insane to count on any userspace daemon always
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  *      getting scheduled within that time frame.
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- *
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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -208,7 +202,7 @@
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 	/* Good, fire up the show */
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 	wdt_startup();
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-	return nonseekable_open(inode, file);
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+	return stream_open(inode, file);
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 }
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 static int fop_close(struct inode *inode, struct file *file)
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@@ -270,8 +264,8 @@
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 		timeout = new_timeout;
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 		wdt_keepalive();
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-		/* Fall through */
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 	}
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+		fallthrough;
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 	case WDIOC_GETTIMEOUT:
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 		return put_user(timeout, p);
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 	default:
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@@ -286,6 +280,7 @@
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 	.open		= fop_open,
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 	.release	= fop_close,
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 	.unlocked_ioctl	= fop_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 };
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 static struct miscdevice wdt_miscdev = {