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authorEric W. Biederman <ebiederm@xmission.com>2007-10-26 22:54:53 -0700
committerDavid S. Miller <davem@davemloft.net>2007-10-26 22:54:53 -0700
commit2b008b0a8e96b726c603c5e1a5a7a509b5f61e35 (patch)
tree80d71a763d3e8365805203cf22093783e64e1bbc /net
parent72998d8c84247817c4b8b05b0256f29453e435f5 (diff)
[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 'net')
-rw-r--r--net/core/dev.c6
-rw-r--r--net/core/dev_mcast.c2
-rw-r--r--net/netlink/af_netlink.c2
3 files changed, 5 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index ddfef3b45ba..853c8b575f1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2668,7 +2668,7 @@ static void __net_exit dev_proc_net_exit(struct net *net)
proc_net_remove(net, "dev");
}
-static struct pernet_operations __net_initdata dev_proc_ops = {
+static struct pernet_operations dev_proc_ops = {
.init = dev_proc_net_init,
.exit = dev_proc_net_exit,
};
@@ -4328,7 +4328,7 @@ static void __net_exit netdev_exit(struct net *net)
kfree(net->dev_index_head);
}
-static struct pernet_operations __net_initdata netdev_net_ops = {
+static struct pernet_operations netdev_net_ops = {
.init = netdev_init,
.exit = netdev_exit,
};
@@ -4359,7 +4359,7 @@ static void __net_exit default_device_exit(struct net *net)
rtnl_unlock();
}
-static struct pernet_operations __net_initdata default_device_ops = {
+static struct pernet_operations default_device_ops = {
.exit = default_device_exit,
};
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index 15241cf48af..ae354057d84 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -285,7 +285,7 @@ static void __net_exit dev_mc_net_exit(struct net *net)
proc_net_remove(net, "dev_mcast");
}
-static struct pernet_operations __net_initdata dev_mc_net_ops = {
+static struct pernet_operations dev_mc_net_ops = {
.init = dev_mc_net_init,
.exit = dev_mc_net_exit,
};
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 325272925d0..4f994c0fb3f 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1888,7 +1888,7 @@ static void __net_exit netlink_net_exit(struct net *net)
#endif
}
-static struct pernet_operations __net_initdata netlink_net_ops = {
+static struct pernet_operations netlink_net_ops = {
.init = netlink_net_init,
.exit = netlink_net_exit,
};