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-rw-r--r--net/sched/ematch.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index ebfe2e7d21b..64b047c6556 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -298,6 +298,11 @@ int tcf_em_tree_validate(struct tcf_proto *tp, struct rtattr *rta,
struct tcf_ematch_tree_hdr *tree_hdr;
struct tcf_ematch *em;
+ if (!rta) {
+ memset(tree, 0, sizeof(*tree));
+ return 0;
+ }
+
if (rtattr_parse_nested(tb, TCA_EMATCH_TREE_MAX, rta) < 0)
goto errout;