1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 7a36ec9dbc0c..3435efff8799 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -1070,12 +1070,13 @@ static enum resp_states duplicate_request(struct rxe_qp *qp,
                                           struct rxe_pkt_info *pkt)
 {
         enum resp_states rc;
+        u32 prev_psn = (qp->resp.psn - 1) & BTH_PSN_MASK;
 
         if (pkt->mask & RXE_SEND_MASK ||
             pkt->mask & RXE_WRITE_MASK) {
                 /* SEND. Ack again and cleanup. C9-105. */
                 if (bth_ack(pkt))
-                        send_ack(qp, pkt, AETH_ACK_UNLIMITED, qp->resp.psn - 1);
+                        send_ack(qp, pkt, AETH_ACK_UNLIMITED, prev_psn);
                 rc = RESPST_CLEANUP;
                 goto out;
         } else if (pkt->mask & RXE_READ_MASK) {