IB/hns: Fix the bug of rdma cm connecting on user mode

Fix bug of modify qp from init to init on user mode. Otherwise,
it will oops when rmda cm established.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 833742b..e8d2734 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -76,6 +76,7 @@
 #define PKEY_ID					0xffff
 #define GUID_LEN				8
 #define NODE_DESC_SIZE				64
+#define DB_REG_OFFSET				0x1000
 
 #define SERV_TYPE_RC				0
 #define SERV_TYPE_RD				1