fix refcount leak in LRU bump buf
takes a long time for mc-crusher to find this. I didn't run it long enough :(
@@ -1142,6 +1142,9 @@ static bool lru_bump_async(lru_bump_buf *b, item *it, uint32_t hv) {
ret = false;
b->dropped++;
}
+ if (!ret) {
+ refcount_decr(it);
+ }
pthread_mutex_unlock(&b->mutex);
return ret;
}
