Minor fix.

csrc/kernels/internode.cu

@@ -560,7 +560,6 @@ dispatch(int4* recv_x, float* recv_x_scales, int64_t* recv_topk_idx, float* recv
             if (is_token_in_rank_uint64 != 0) {
                 // Acquire lock first
                 acquire_lock(rdma_send_channel_lock + lane_id);
-                auto window = rdma_send_channel_window[lane_id];
                 auto latest_tail = rdma_send_channel_tail[lane_id];
                 auto offset = rdma_tail_idx - latest_tail;
                 while (offset >= 32) {
@@ -572,7 +571,7 @@ dispatch(int4* recv_x, float* recv_x_scales, int64_t* recv_topk_idx, float* recv
 
                 // Release the transaction slot
                 // Add the bit and move the ones if possible
-                window |= 1u << offset;
+                auto window = rdma_send_channel_window[lane_id] | (1u << offset);
                 if (offset == 0) {
                     auto num_empty_slots = (~window) == 0 ? 32 : __ffs(~window) - 1;
                     st_release_cta(rdma_send_channel_tail + lane_id, latest_tail + num_empty_slots);