X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=rculfhash.c;h=a736b868ae7dac21c1d4d60d561cfcfbb1d223e9;hb=194fdbd18a42d2c23f4a53cc692f1fa03d31ec64;hp=189f8c831237edfe205c6461babadb765b537285;hpb=a4ea2223fa701bd34b09fb3eede037908dbdd0c8;p=urcu.git

diff --git a/rculfhash.c b/rculfhash.c
index 189f8c8..a736b86 100644
--- a/rculfhash.c
+++ b/rculfhash.c
@@ -887,11 +887,15 @@ struct cds_lfht_node *_cds_lfht_add(struct cds_lfht *ht,
 				goto insert;
 			if (likely(clear_flag(iter)->p.reverse_hash > node->p.reverse_hash))
 				goto insert;
+			/* dummy node is the first node of the identical-hash-value chain */
+			if (dummy && clear_flag(iter)->p.reverse_hash == node->p.reverse_hash)
+				goto insert;
 			next = rcu_dereference(clear_flag(iter)->p.next);
 			if (unlikely(is_removed(next)))
 				goto gc_node;
 			if ((mode == ADD_UNIQUE || mode == ADD_REPLACE)
 			    && !is_dummy(next)
+			    && clear_flag(iter)->p.reverse_hash == node->p.reverse_hash
 			    && !ht->compare_fct(node->key, node->key_len,
 						clear_flag(iter)->key,
 						clear_flag(iter)->key_len)) {
@@ -1341,6 +1345,7 @@ void cds_lfht_lookup(struct cds_lfht *ht, void *key, size_t key_len,
 		next = rcu_dereference(node->p.next);
 		if (likely(!is_removed(next))
 		    && !is_dummy(next)
+		    && clear_flag(node)->p.reverse_hash == reverse_hash
 		    && likely(!ht->compare_fct(node->key, node->key_len, key, key_len))) {
 				break;
 		}