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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/net/dccp/sysctl.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  net/dccp/sysctl.c
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  *
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  *  An implementation of the DCCP protocol
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  *  Arnaldo Carvalho de Melo <acme@mandriva.com>
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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 v2
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- *	as published by the Free Software Foundation.
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  */
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 #include <linux/mm.h>
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@@ -19,9 +16,7 @@
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 #endif
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 /* Boundary values */
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-static int		zero     = 0,
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-			one      = 1,
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-			u8_max   = 0xFF;
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+static int		u8_max   = 0xFF;
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 static unsigned long	seqw_min = DCCPF_SEQ_WMIN,
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 			seqw_max = 0xFFFFFFFF;		/* maximum on 32 bit */
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@@ -41,7 +36,7 @@
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 		.maxlen		= sizeof(sysctl_dccp_rx_ccid),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= &zero,
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+		.extra1		= SYSCTL_ZERO,
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 		.extra2		= &u8_max,		/* RFC 4340, 10. */
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 	},
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 	{
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@@ -50,7 +45,7 @@
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 		.maxlen		= sizeof(sysctl_dccp_tx_ccid),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= &zero,
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+		.extra1		= SYSCTL_ZERO,
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 		.extra2		= &u8_max,		/* RFC 4340, 10. */
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 	},
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 	{
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@@ -59,7 +54,7 @@
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 		.maxlen		= sizeof(sysctl_dccp_request_retries),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= &one,
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+		.extra1		= SYSCTL_ONE,
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 		.extra2		= &u8_max,
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 	},
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 	{
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@@ -68,7 +63,7 @@
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 		.maxlen		= sizeof(sysctl_dccp_retries1),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= &zero,
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+		.extra1		= SYSCTL_ZERO,
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 		.extra2		= &u8_max,
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 	},
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 	{
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@@ -77,7 +72,7 @@
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 		.maxlen		= sizeof(sysctl_dccp_retries2),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= &zero,
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+		.extra1		= SYSCTL_ZERO,
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 		.extra2		= &u8_max,
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 	},
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 	{
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@@ -86,7 +81,7 @@
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 		.maxlen		= sizeof(sysctl_dccp_tx_qlen),
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 		.mode		= 0644,
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 		.proc_handler	= proc_dointvec_minmax,
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-		.extra1		= &zero,
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+		.extra1		= SYSCTL_ZERO,
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 	},
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 	{
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 		.procname	= "sync_ratelimit",