diff options
Diffstat (limited to 'net/ipv4/protocol.c')
| -rw-r--r-- | net/ipv4/protocol.c | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/net/ipv4/protocol.c b/net/ipv4/protocol.c index ce848461acbb..6913979948d7 100644 --- a/net/ipv4/protocol.c +++ b/net/ipv4/protocol.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket @@ -16,11 +17,6 @@ * Richard Colella : Hang on hash collision * Vince Laviano : Modified inet_del_protocol() to correctly * maintain copy bit. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/cache.h> #include <linux/module.h> @@ -28,21 +24,13 @@ #include <linux/spinlock.h> #include <net/protocol.h> -const struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS] __read_mostly; +struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS] __read_mostly; +EXPORT_SYMBOL(inet_protos); const struct net_offload __rcu *inet_offloads[MAX_INET_PROTOS] __read_mostly; - -/* - * Add a protocol handler to the hash tables - */ +EXPORT_SYMBOL(inet_offloads); int inet_add_protocol(const struct net_protocol *prot, unsigned char protocol) { - if (!prot->netns_ok) { - pr_err("Protocol %u is not namespace aware, cannot register.\n", - protocol); - return -EINVAL; - } - return !cmpxchg((const struct net_protocol **)&inet_protos[protocol], NULL, prot) ? 0 : -1; } @@ -55,10 +43,6 @@ int inet_add_offload(const struct net_offload *prot, unsigned char protocol) } EXPORT_SYMBOL(inet_add_offload); -/* - * Remove a protocol from the hash tables. - */ - int inet_del_protocol(const struct net_protocol *prot, unsigned char protocol) { int ret; |