add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/leds/uleds.c
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@@ -1,19 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Userspace driver for the LED subsystem
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  *
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  * Copyright (C) 2016 David Lechner <david@lechnology.com>
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  *
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  * Based on uinput.c: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
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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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- * GNU General Public License for more details.
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  */
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 #include <linux/fs.h>
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 #include <linux/init.h>
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@@ -74,7 +65,7 @@
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 	udev->state = ULEDS_STATE_UNKNOWN;
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 	file->private_data = udev;
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-	nonseekable_open(inode, file);
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+	stream_open(inode, file);
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 	return 0;
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 }