RDMA/rtrs: Remove unused flags parameter

flags is not used, so remove it from rtrs_post_rdma_write_imm_empty.

Link: https://lore.kernel.org/r/20210712060750.16494-6-jinpu.wang@ionos.comSigned-off-by: NJack Wang <jinpu.wang@ionos.com>
Reviewed-by: NAleksei Marov <aleksei.marov@ionos.com>
Reviewed-by: NGioh Kim <gi-oh.kim@ionos.com>
Reviewed-by: NMd Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/ulp/rtrs/rtrs.c

@@ -185,7 +185,6 @@ EXPORT_SYMBOL_GPL(rtrs_iu_post_rdma_write_imm);
 static int rtrs_post_rdma_write_imm_empty(struct rtrs_con *con,
 					  struct ib_cqe *cqe,
 					  u32 imm_data,
-					  enum ib_send_flags flags,
 					  struct ib_send_wr *head)
 {
 	struct ib_rdma_wr wr;
@@ -320,7 +319,7 @@ void rtrs_send_hb_ack(struct rtrs_sess *sess)
 
 	imm = rtrs_to_imm(RTRS_HB_ACK_IMM, 0);
 	err = rtrs_post_rdma_write_imm_empty(usr_con, sess->hb_cqe, imm,
-					     0, NULL);
+					     NULL);
 	if (err) {
 		rtrs_err(sess, "send HB ACK failed, errno: %d\n", err);
 		sess->hb_err_handler(usr_con);
@@ -354,7 +353,7 @@ static void hb_work(struct work_struct *work)
 
 	imm = rtrs_to_imm(RTRS_HB_MSG_IMM, 0);
 	err = rtrs_post_rdma_write_imm_empty(usr_con, sess->hb_cqe, imm,
-					     0, NULL);
+					     NULL);
 	if (err) {
 		rtrs_err(sess, "HB send failed, errno: %d\n", err);
 		sess->hb_err_handler(usr_con);