rculfhash: deal with resize to size 1 corner-case

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/rculfhash.c b/rculfhash.c
index cd60f5f4db8e7409668b3598ec073fdff5ce5752..b74739f29a30f1953b3e6447fcf8daa44e069354 100644 (file)
--- a/rculfhash.c
+++ b/rculfhash.c
@@ -803,7 +803,7 @@ int _cds_lfht_remove(struct cds_lfht *ht, struct rcu_table *t,
         */
 
        if (dummy_removal)
-               index = hash & ((t->size >> 1) - 1);
+               index = hash & ((t->size == 1) ? 0 : (t->size >> 1) - 1);
        else
                index = hash & (t->size - 1);
        order = get_count_order_ulong(index + 1);