debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/watchdog/mv64x60_wdt.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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  * mv64x60_wdt.c - MV64X60 (Marvell Discovery) watchdog userspace interface
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  *
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@@ -9,10 +10,7 @@
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  *
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  * Derived from mpc8xx_wdt.c, with the following copyright.
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  *
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- * 2002 (c) Florian Schirmer <jolt@tuxbox.org> This file is licensed under
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- * the terms of the GNU General Public License version 2. This program
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- * is licensed "as is" without any warranty of any kind, whether express
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- * or implied.
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+ * 2002 (c) Florian Schirmer <jolt@tuxbox.org>
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  */
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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@@ -133,7 +131,7 @@
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 	mv64x60_wdt_handler_enable();
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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 mv64x60_wdt_release(struct inode *inode, struct file *file)
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@@ -224,7 +222,7 @@
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 		if (get_user(timeout, (int __user *)argp))
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 			return -EFAULT;
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 		mv64x60_wdt_set_timeout(timeout);
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-		/* Fall through */
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+		fallthrough;
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 	case WDIOC_GETTIMEOUT:
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 		if (put_user(mv64x60_wdt_timeout, (int __user *)argp))
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@@ -243,6 +241,7 @@
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 	.llseek = no_llseek,
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 	.write = mv64x60_wdt_write,
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 	.unlocked_ioctl = mv64x60_wdt_ioctl,
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+	.compat_ioctl = compat_ptr_ioctl,
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 	.open = mv64x60_wdt_open,
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 	.release = mv64x60_wdt_release,
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 };