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-rw-r--r--net/sched/ematch.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 113a133ee..5ba3548d2 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -259,6 +259,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
* the value carried.
*/
if (em_hdr->flags & TCF_EM_SIMPLE) {
+ if (em->ops->datalen > 0)
+ goto errout;
if (data_len < sizeof(u32))
goto errout;
em->data = *(u32 *) data;