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-rw-r--r--net/sched/ematch.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 8f2ad706784d..dd3b8c11a2e0 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -238,6 +238,9 @@ static int tcf_em_validate(struct tcf_proto *tp,
goto errout;
if (em->ops->change) {
+ err = -EINVAL;
+ if (em_hdr->flags & TCF_EM_SIMPLE)
+ goto errout;
err = em->ops->change(net, data, data_len, em);
if (err < 0)
goto errout;
@@ -263,12 +266,12 @@ static int tcf_em_validate(struct tcf_proto *tp,
}
em->data = (unsigned long) v;
}
+ em->datalen = data_len;
}
}
em->matchid = em_hdr->matchid;
em->flags = em_hdr->flags;
- em->datalen = data_len;
em->net = net;
err = 0;