[PATCH v2] netfilter: add a 'default' case to 'switch (tuplehash->tuple.xmit_type)'

[Li Qiong]

Add a 'default' case in case return a uninitialized value of ret.

Signed-off-by: Li Qiong <liqiong@xxxxxxxxxxxx>
---
v2: Add 'default' case instead of initializing 'ret'.
---
 net/netfilter/nf_flow_table_ip.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index b350fe9d00b0..19efba1e51ef 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -421,6 +421,10 @@ nf_flow_offload_ip_hook(void *priv, struct sk_buff *skb,
 		if (ret == NF_DROP)
 			flow_offload_teardown(flow);
 		break;
+	default:
+		WARN_ON_ONCE(1);
+		ret = NF_DROP;
+		break;
 	}
 
 	return ret;
@@ -682,6 +686,10 @@ nf_flow_offload_ipv6_hook(void *priv, struct sk_buff *skb,
 		if (ret == NF_DROP)
 			flow_offload_teardown(flow);
 		break;
+	default:
+		WARN_ON_ONCE(1);
+		ret = NF_DROP;
+		break;
 	}
 
 	return ret;
-- 
2.11.0