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[NETNS]: Fix allnoconfig compilation error.

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When CONFIG_NET=no, init_net is unresolved because net_namespace.c
is not compiled and the include pull init_net definition.

This problem was very similar with the ipc namespace where the kernel
can be compiled with SYSV ipc out.

This patch fix that defining a macro which simply remove init_net
initialization from nsproxy namespace aggregator.

Compiled and booted on qemu-i386 with CONFIG_NET=no and CONFIG_NET=yes.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Lezcano 2007-09-13 09:16:29 +02:00 committed by David S. Miller
parent e08b09983f
commit 4fabcd7118
2 changed files with 8 additions and 1 deletions
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2
include/linux/init_task.h
View file

@ -79,7 +79,7 @@ extern struct nsproxy init_nsproxy;
.nslock = __SPIN_LOCK_UNLOCKED(nsproxy.nslock), \
.uts_ns = &init_uts_ns, \
.mnt_ns = NULL, \
.net_ns = &init_net, \
INIT_NET_NS(net_ns) \
INIT_IPC_NS(ipc_ns) \
.user_ns = &init_user_ns, \
}

7
include/net/net_namespace.h
View file

@ -28,7 +28,14 @@ struct net {
struct hlist_head *dev_index_head;
};
#ifdef CONFIG_NET
/* Init's network namespace */
extern struct net init_net;
#define INIT_NET_NS(net_ns) .net_ns = &init_net,
#else
#define INIT_NET_NS(net_ns)
#endif
extern struct list_head net_namespace_list;
extern void __put_net(struct net *net);