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Subject[PATCH 06/24] sysctl: cookie: share netns_core_table between nets
Date
Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
---
net/core/sysctl_net_core.c | 28 +++-------------------------
1 files changed, 3 insertions(+), 25 deletions(-)

diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 923ae0f..c4571cc 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -183,7 +183,7 @@ static struct ctl_table netns_core_table[] = {
.data = &init_net.core.sysctl_somaxconn,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec
+ .proc_handler = netns_proc_dointvec,
},
{ }
};
@@ -196,41 +196,19 @@ __net_initdata struct ctl_path net_core_path[] = {

static __net_init int sysctl_core_net_init(struct net *net)
{
- struct ctl_table *tbl;
-
net->core.sysctl_somaxconn = SOMAXCONN;

- tbl = netns_core_table;
- if (!net_eq(net, &init_net)) {
- tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL);
- if (tbl == NULL)
- goto err_dup;
-
- tbl[0].data = &net->core.sysctl_somaxconn;
- }
-
net->core.sysctl_hdr = register_net_sysctl_table(net,
- net_core_path, tbl);
+ net_core_path, netns_core_table);
if (net->core.sysctl_hdr == NULL)
- goto err_reg;
+ return -ENOMEM;

return 0;
-
-err_reg:
- if (tbl != netns_core_table)
- kfree(tbl);
-err_dup:
- return -ENOMEM;
}

static __net_exit void sysctl_core_net_exit(struct net *net)
{
- struct ctl_table *tbl;
-
- tbl = net->core.sysctl_hdr->ctl_table_arg;
unregister_net_sysctl_table(net->core.sysctl_hdr);
- BUG_ON(tbl == netns_core_table);
- kfree(tbl);
}

static __net_initdata struct pernet_operations sysctl_core_ops = {
--
1.7.5.rc0


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