disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/arch/c6x/lib/checksum.c
..
..
@@ -1,36 +1,11 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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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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 #include <linux/module.h>
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 #include <net/checksum.h>
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-#include <asm/byteorder.h>
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-
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-/*
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- * copy from fs while checksumming, otherwise like csum_partial
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- */
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-__wsum
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-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
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-			    __wsum sum, int *csum_err)
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-{
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-	int missing;
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-
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-	missing = __copy_from_user(dst, src, len);
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-	if (missing) {
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-		memset(dst + len - missing, 0, missing);
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-		*csum_err = -EFAULT;
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-	} else
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-		*csum_err = 0;
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-
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-	return csum_partial(dst, len, sum);
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-}
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-EXPORT_SYMBOL(csum_partial_copy_from_user);
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-
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 /* These are from csum_64plus.S */
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 EXPORT_SYMBOL(csum_partial);
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-EXPORT_SYMBOL(csum_partial_copy);
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+EXPORT_SYMBOL(csum_partial_copy_nocheck);
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 EXPORT_SYMBOL(ip_compute_csum);
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 EXPORT_SYMBOL(ip_fast_csum);