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-rw-r--r--net/core/lwtunnel.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/lwtunnel.c b/net/core/lwtunnel.c
index b5888190223c..5cbed3816229 100644
--- a/net/core/lwtunnel.c
+++ b/net/core/lwtunnel.c
@@ -214,6 +214,8 @@ int lwtunnel_fill_encap(struct sk_buff *skb, struct lwtunnel_state *lwtstate)
ret = -EOPNOTSUPP;
nest = nla_nest_start(skb, RTA_ENCAP);
+ if (!nest)
+ goto nla_put_failure;
rcu_read_lock();
ops = rcu_dereference(lwtun_encaps[lwtstate->type]);
if (likely(ops && ops->fill_encap))