From: Daniel Lezcano <[EMAIL PROTECTED]>
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 <[EMAIL PROTECTED]>
Acked-by: "Eric W. Biederman" <[EMAIL PROTECTED]>
---
include/linux/init_task.h | 2 +-
include/net/net_namespace.h | 7 +++++++
2 files changed, 8 insertions(+), 1 deletion(-)
Index: net-2.6.24/include/linux/init_task.h
===================================================================
--- net-2.6.24.orig/include/linux/init_task.h
+++ net-2.6.24/include/linux/init_task.h
@@ -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, \
}
Index: net-2.6.24/include/net/net_namespace.h
===================================================================
--- net-2.6.24.orig/include/net/net_namespace.h
+++ net-2.6.24/include/net/net_namespace.h
@@ -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);
--
-
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