write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/watchdog/advantechwdt.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  *	Advantech Single Board Computer WDT driver
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  *
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@@ -8,11 +9,6 @@
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  *
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  *	(c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>,
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  *						All Rights Reserved.
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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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  *	Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
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  *	warranty for any of this software. This material is provided
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@@ -181,7 +177,7 @@
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 		if (advwdt_set_heartbeat(new_timeout))
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 			return -EINVAL;
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 		advwdt_ping();
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-		/* fall through */
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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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@@ -199,7 +195,7 @@
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 	 */
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 	advwdt_ping();
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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 advwdt_close(struct inode *inode, struct file *file)
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@@ -224,6 +220,7 @@
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 	.llseek		= no_llseek,
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 	.write		= advwdt_write,
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 	.unlocked_ioctl	= advwdt_ioctl,
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+	.compat_ioctl	= compat_ptr_ioctl,
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 	.open		= advwdt_open,
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 	.release	= advwdt_close,
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 };