[dpdk-dev] [PATCH] hash: fix crash when adding already inserted keys

Xavier Simonart xavier.simonart at intel.com
Tue Jul 28 16:54:39 CEST 2015


When adding with cuckoo hash a key which was already inserted
a new slot is dequeued and then enqueued back, but the enqueue
operation was not done properly.

Signed-off-by: Xavier Simonart <xavier.simonart at intel.com>
---
 lib/librte_hash/rte_cuckoo_hash.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c
index 5cf4af6..4da859a 100644
--- a/lib/librte_hash/rte_cuckoo_hash.c
+++ b/lib/librte_hash/rte_cuckoo_hash.c
@@ -509,7 +509,7 @@ __rte_hash_add_key_with_hash(const struct rte_hash *h, const void *key,
 			k = (struct rte_hash_key *) ((char *)keys +
 					prim_bkt->key_idx[i] * h->key_entry_size);
 			if (h->rte_hash_cmp_eq(key, k->key, h->key_len) == 0) {
-				rte_ring_sp_enqueue(h->free_slots, &slot_id);
+				rte_ring_sp_enqueue(h->free_slots, slot_id);
 				/* Update data */
 				k->pdata = data;
 				/*
@@ -528,7 +528,7 @@ __rte_hash_add_key_with_hash(const struct rte_hash *h, const void *key,
 			k = (struct rte_hash_key *) ((char *)keys +
 					sec_bkt->key_idx[i] * h->key_entry_size);
 			if (h->rte_hash_cmp_eq(key, k->key, h->key_len) == 0) {
-				rte_ring_sp_enqueue(h->free_slots, &slot_id);
+				rte_ring_sp_enqueue(h->free_slots, slot_id);
 				/* Update data */
 				k->pdata = data;
 				/*
-- 
1.8.3.1



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