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Instead store ipvs in extra2 so that proc_do_defense_mode can easily
find the ipvs that it's value is associated with.
Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_ctl.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 7338827ee5e9..b88a1daeb78e 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1615,7 +1615,7 @@ static int
proc_do_defense_mode(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
- struct net *net = current->nsproxy->net_ns;
+ struct netns_ipvs *ipvs = table->extra2;
int *valp = table->data;
int val = *valp;
int rc;
@@ -1626,7 +1626,7 @@ proc_do_defense_mode(struct ctl_table *table, int write,
/* Restore the correct value */
*valp = val;
} else {
- update_defense_level(net_ipvs(net));
+ update_defense_level(ipvs);
}
}
return rc;
@@ -3866,6 +3866,10 @@ static int __net_init
ip_vs_control_net_init_sysctl(struct net *net)
} else
tbl = vs_vars;
/* Initialize sysctl defaults */
+ for (idx = 0; idx < sizeof(vs_vars)/sizeof(vs_vars[0]); idx++) {
+ if (tbl[idx].proc_handler == proc_do_defense_mode)
+ tbl[idx].extra2 = ipvs;
+ }
idx = 0;
ipvs->sysctl_amemthresh = 1024;
tbl[idx++].data = &ipvs->sysctl_amemthresh;
--
2.2.1
--
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