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-rw-r--r--src/vnet/classify/vnet_classify.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/classify/vnet_classify.c b/src/vnet/classify/vnet_classify.c
index 305521be267..8c3b2907180 100644
--- a/src/vnet/classify/vnet_classify.c
+++ b/src/vnet/classify/vnet_classify.c
@@ -777,8 +777,10 @@ vnet_classify_add_del_table (vnet_classify_main_t *cm, const u8 *mask,
else /* update */
{
vnet_classify_main_t *cm = &vnet_classify_main;
- t = pool_elt_at_index (cm->tables, *table_index);
+ if (pool_is_free_index (cm->tables, *table_index))
+ return VNET_API_ERROR_CLASSIFY_TABLE_NOT_FOUND;
+ t = pool_elt_at_index (cm->tables, *table_index);
t->next_table_index = next_table_index;
}
return 0;