From: Florian Westphal <fw@xxxxxxxxx>
This needs to put() the entry to avoid a resource leak in error path.
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
net/ipv4/netfilter/ipt_CLUSTERIP.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 4b02ab39ebc5..4c8cfd352687 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -496,12 +496,15 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par)
return PTR_ERR(config);
}
}
- cipinfo->config = config;
ret = nf_ct_netns_get(par->net, par->family);
- if (ret < 0)
+ if (ret < 0) {
pr_info("cannot load conntrack support for proto=%u\n",
par->family);
+ clusterip_config_entry_put(par->net, config);
+ clusterip_config_put(config);
+ return ret;
+ }
if (!par->net->xt.clusterip_deprecated_warning) {
pr_info("ipt_CLUSTERIP is deprecated and it will removed soon, "
@@ -509,6 +512,7 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par)
par->net->xt.clusterip_deprecated_warning = true;
}
+ cipinfo->config = config;
return ret;
}
--
2.11.0
--
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