add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/hexagon/mm/uaccess.c
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@@ -1,19 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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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 version 2 and
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- * only version 2 as published by the Free Software Foundation.
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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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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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- * 02110-1301, USA.
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  */
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 /*
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@@ -24,7 +11,7 @@
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  */
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 #include <linux/types.h>
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 #include <linux/uaccess.h>
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-#include <asm/pgtable.h>
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+#include <linux/pgtable.h>
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 /*
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  * For clear_user(), exploit previously defined copy_to_user function
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@@ -51,7 +38,7 @@
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 unsigned long clear_user_hexagon(void __user *dest, unsigned long count)
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 {
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-	if (!access_ok(VERIFY_WRITE, dest, count))
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+	if (!access_ok(dest, count))
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 		return count;
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 	else
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 		return __clear_user_hexagon(dest, count);