diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index c2cba734c5cb2114e16f326b266de884fad4e374..d6f99d5720fcf2b12051898fc336a2e1691e882a 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -812,6 +812,7 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
 		cma_modify_qp_err(&id_priv->id);
 		status = ib_event->param.rej_rcvd.reason;
 		event = RDMA_CM_EVENT_REJECTED;
+		private_data_len = IB_CM_REJ_PRIVATE_DATA_SIZE;
 		break;
 	default:
 		printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d",