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cd354f1ae7
After Al Viro (finally) succeeded in removing the sched.h #include in module.h recently, it makes sense again to remove other superfluous sched.h includes. There are quite a lot of files which include it but don't actually need anything defined in there. Presumably these includes were once needed for macros that used to live in sched.h, but moved to other header files in the course of cleaning it up. To ease the pain, this time I did not fiddle with any header files and only removed #includes from .c-files, which tend to cause less trouble. Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha, arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig, allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all configs in arch/arm/configs on arm. I also checked that no new warnings were introduced by the patch (actually, some warnings are removed that were emitted by unnecessarily included header files). Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* INET protocol dispatch tables.
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*
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* Version: $Id: protocol.c,v 1.14 2001/05/18 02:25:49 davem Exp $
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*
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* Authors: Ross Biro
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* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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*
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* Fixes:
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* Alan Cox : Ahah! udp icmp errors don't work because
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* udp_err is never called!
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* Alan Cox : Added new fields for init and ready for
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* proper fragmentation (_NO_ 4K limits!)
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* Richard Colella : Hang on hash collision
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* Vince Laviano : Modified inet_del_protocol() to correctly
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* maintain copy bit.
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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 <asm/uaccess.h>
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#include <asm/system.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/socket.h>
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#include <linux/in.h>
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#include <linux/inet.h>
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#include <linux/netdevice.h>
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#include <linux/timer.h>
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#include <net/ip.h>
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#include <net/protocol.h>
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#include <linux/skbuff.h>
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#include <net/sock.h>
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#include <net/icmp.h>
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#include <net/udp.h>
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#include <net/ipip.h>
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#include <linux/igmp.h>
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struct net_protocol *inet_protos[MAX_INET_PROTOS];
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static DEFINE_SPINLOCK(inet_proto_lock);
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/*
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* Add a protocol handler to the hash tables
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*/
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int inet_add_protocol(struct net_protocol *prot, unsigned char protocol)
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{
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int hash, ret;
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hash = protocol & (MAX_INET_PROTOS - 1);
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spin_lock_bh(&inet_proto_lock);
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if (inet_protos[hash]) {
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ret = -1;
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} else {
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inet_protos[hash] = prot;
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ret = 0;
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}
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spin_unlock_bh(&inet_proto_lock);
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return ret;
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}
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/*
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* Remove a protocol from the hash tables.
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*/
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int inet_del_protocol(struct net_protocol *prot, unsigned char protocol)
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{
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int hash, ret;
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hash = protocol & (MAX_INET_PROTOS - 1);
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spin_lock_bh(&inet_proto_lock);
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if (inet_protos[hash] == prot) {
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inet_protos[hash] = NULL;
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ret = 0;
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} else {
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ret = -1;
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}
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spin_unlock_bh(&inet_proto_lock);
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synchronize_net();
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return ret;
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}
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EXPORT_SYMBOL(inet_add_protocol);
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EXPORT_SYMBOL(inet_del_protocol);
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