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| author | Eric W. Biederman <ebiederm@xmission.com> | 2007-10-27 09:54:53 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2007-10-27 09:54:53 +0400 |
| commit | 2b008b0a8e96b726c603c5e1a5a7a509b5f61e35 (patch) | |
| tree | 80d71a763d3e8365805203cf22093783e64e1bbc /include | |
| parent | 72998d8c84247817c4b8b05b0256f29453e435f5 (diff) | |
| download | linux-2b008b0a8e96b726c603c5e1a5a7a509b5f61e35.tar.xz | |
[NET]: Marking struct pernet_operations __net_initdata was inappropriate
It is not safe to to place struct pernet_operations in a special section.
We need struct pernet_operations to last until we call unregister_pernet_subsys.
Which doesn't happen until module unload.
So marking struct pernet_operations is a disaster for modules in two ways.
- We discard it before we call the exit method it points to.
- Because I keep struct pernet_operations on a linked list discarding
it for compiled in code removes elements in the middle of a linked
list and does horrible things for linked insert.
So this looks safe assuming __exit_refok is not discarded
for modules.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/net_namespace.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 93aa87d32804..5279466606d2 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -102,11 +102,9 @@ static inline void release_net(struct net *net) #ifdef CONFIG_NET_NS #define __net_init #define __net_exit -#define __net_initdata #else #define __net_init __init #define __net_exit __exit_refok -#define __net_initdata __initdata #endif struct pernet_operations { |