New upstream version 17.11.4

[deb_dpdk.git] / lib / librte_hash / rte_cuckoo_hash_x86.h

diff --git a/lib/librte_hash/rte_cuckoo_hash_x86.h b/lib/librte_hash/rte_cuckoo_hash_x86.h
index 0c94244..a2f1663 100644 (file)
--- a/lib/librte_hash/rte_cuckoo_hash_x86.h
+++ b/lib/librte_hash/rte_cuckoo_hash_x86.h
@@ -95,6 +95,9 @@ rte_hash_cuckoo_move_insert_mw_tm(const struct rte_hash *h,
        while (try < RTE_HASH_TSX_MAX_RETRY) {
                status = rte_xbegin();
                if (likely(status == RTE_XBEGIN_STARTED)) {
+                       /* In case empty slot was gone before entering TSX */
+                       if (curr_bkt->key_idx[curr_slot] != EMPTY_SLOT)
+                               rte_xabort(RTE_XABORT_CUCKOO_PATH_INVALIDED);
                        while (likely(curr_node->prev != NULL)) {
                                prev_node = curr_node->prev;
                                prev_bkt = prev_node->bkt;