diff options
| -rw-r--r-- | net/sched/ematch.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c index ebfe2e7..64b047c 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; |
