bihash template: avoid memory leak upon rehash
Call the BV (value_free) when we have performed the rehash
and thus no longer need the memory that old value for the
bucket refers to.
@@ -627,6 +627,9 @@ expand_ok:
tmp_b.lock = 0;
CLIB_MEMORY_BARRIER ();
b->as_u64 = tmp_b.as_u64;
+ /* free the old bucket */
+ v = BV (clib_bihash_get_value) (h, h->saved_bucket.offset);
+ BV (value_free) (h, v, h->saved_bucket.log2_pages);
BV (clib_bihash_alloc_unlock) (h);
return (0);
}
