IB/rxe: remove unused function variable

In the functions rxe_mem_init_dma, rxe_mem_init_user, rxe_mem_init_fast
and copy_data, the function variable rxe is not used. So this function
variable rxe is removed.

CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/sw/rxe/rxe_comp.c

@@ -355,10 +355,9 @@ static inline enum comp_state do_read(struct rxe_qp *qp,
 				      struct rxe_pkt_info *pkt,
 				      struct rxe_send_wqe *wqe)
 {
-	struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
 	int ret;
 
-	ret = copy_data(rxe, qp->pd, IB_ACCESS_LOCAL_WRITE,
+	ret = copy_data(qp->pd, IB_ACCESS_LOCAL_WRITE,
 			&wqe->dma, payload_addr(pkt),
 			payload_size(pkt), to_mem_obj, NULL);
 	if (ret)
@@ -374,12 +373,11 @@ static inline enum comp_state do_atomic(struct rxe_qp *qp,
 					struct rxe_pkt_info *pkt,
 					struct rxe_send_wqe *wqe)
 {
-	struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
 	int ret;
 
 	u64 atomic_orig = atmack_orig(pkt);
 
-	ret = copy_data(rxe, qp->pd, IB_ACCESS_LOCAL_WRITE,
+	ret = copy_data(qp->pd, IB_ACCESS_LOCAL_WRITE,
 			&wqe->dma, &atomic_orig,
 			sizeof(u64), to_mem_obj, NULL);
 	if (ret)

drivers/infiniband/sw/rxe/rxe_loc.h

@@ -106,20 +106,20 @@ enum copy_direction {
 	from_mem_obj,
 };
 
-int rxe_mem_init_dma(struct rxe_dev *rxe, struct rxe_pd *pd,
+int rxe_mem_init_dma(struct rxe_pd *pd,
 		     int access, struct rxe_mem *mem);
 
-int rxe_mem_init_user(struct rxe_dev *rxe, struct rxe_pd *pd, u64 start,
+int rxe_mem_init_user(struct rxe_pd *pd, u64 start,
 		      u64 length, u64 iova, int access, struct ib_udata *udata,
 		      struct rxe_mem *mr);
 
-int rxe_mem_init_fast(struct rxe_dev *rxe, struct rxe_pd *pd,
+int rxe_mem_init_fast(struct rxe_pd *pd,
 		      int max_pages, struct rxe_mem *mem);
 
 int rxe_mem_copy(struct rxe_mem *mem, u64 iova, void *addr,
 		 int length, enum copy_direction dir, u32 *crcp);
 
-int copy_data(struct rxe_dev *rxe, struct rxe_pd *pd, int access,
+int copy_data(struct rxe_pd *pd, int access,
 	      struct rxe_dma_info *dma, void *addr, int length,
 	      enum copy_direction dir, u32 *crcp);
 

drivers/infiniband/sw/rxe/rxe_mr.c

@@ -107,7 +107,7 @@ void rxe_mem_cleanup(struct rxe_pool_entry *arg)
 	}
 }
 
-static int rxe_mem_alloc(struct rxe_dev *rxe, struct rxe_mem *mem, int num_buf)
+static int rxe_mem_alloc(struct rxe_mem *mem, int num_buf)
 {
 	int i;
 	int num_map;
@@ -145,7 +145,7 @@ err1:
 	return -ENOMEM;
 }
 
-int rxe_mem_init_dma(struct rxe_dev *rxe, struct rxe_pd *pd,
+int rxe_mem_init_dma(struct rxe_pd *pd,
 		     int access, struct rxe_mem *mem)
 {
 	rxe_mem_init(access, mem);
@@ -158,7 +158,7 @@ int rxe_mem_init_dma(struct rxe_dev *rxe, struct rxe_pd *pd,
 	return 0;
 }
 
-int rxe_mem_init_user(struct rxe_dev *rxe, struct rxe_pd *pd, u64 start,
+int rxe_mem_init_user(struct rxe_pd *pd, u64 start,
 		      u64 length, u64 iova, int access, struct ib_udata *udata,
 		      struct rxe_mem *mem)
 {
@@ -184,7 +184,7 @@ int rxe_mem_init_user(struct rxe_dev *rxe, struct rxe_pd *pd, u64 start,
 
 	rxe_mem_init(access, mem);
 
-	err = rxe_mem_alloc(rxe, mem, num_buf);
+	err = rxe_mem_alloc(mem, num_buf);
 	if (err) {
 		pr_warn("err %d from rxe_mem_alloc\n", err);
 		ib_umem_release(umem);
@@ -236,7 +236,7 @@ err1:
 	return err;
 }
 
-int rxe_mem_init_fast(struct rxe_dev *rxe, struct rxe_pd *pd,
+int rxe_mem_init_fast(struct rxe_pd *pd,
 		      int max_pages, struct rxe_mem *mem)
 {
 	int err;
@@ -246,7 +246,7 @@ int rxe_mem_init_fast(struct rxe_dev *rxe, struct rxe_pd *pd,
 	/* In fastreg, we also set the rkey */
 	mem->ibmr.rkey = mem->ibmr.lkey;
 
-	err = rxe_mem_alloc(rxe, mem, max_pages);
+	err = rxe_mem_alloc(mem, max_pages);
 	if (err)
 		goto err1;
 
@@ -434,7 +434,6 @@ err1:
  * under the control of a dma descriptor
  */
 int copy_data(
-	struct rxe_dev		*rxe,
 	struct rxe_pd		*pd,
 	int			access,
 	struct rxe_dma_info	*dma,

drivers/infiniband/sw/rxe/rxe_req.c

@@ -490,7 +490,7 @@ static int fill_packet(struct rxe_qp *qp, struct rxe_send_wqe *wqe,
 			wqe->dma.resid -= paylen;
 			wqe->dma.sge_offset += paylen;
 		} else {
-			err = copy_data(rxe, qp->pd, 0, &wqe->dma,
+			err = copy_data(qp->pd, 0, &wqe->dma,
 					payload_addr(pkt), paylen,
 					from_mem_obj,
 					&crc);

drivers/infiniband/sw/rxe/rxe_resp.c

@@ -511,9 +511,8 @@ static enum resp_states send_data_in(struct rxe_qp *qp, void *data_addr,
 				     int data_len)
 {
 	int err;
-	struct rxe_dev *rxe = to_rdev(qp->ibqp.device);
 
-	err = copy_data(rxe, qp->pd, IB_ACCESS_LOCAL_WRITE, &qp->resp.wqe->dma,
+	err = copy_data(qp->pd, IB_ACCESS_LOCAL_WRITE, &qp->resp.wqe->dma,
 			data_addr, data_len, to_mem_obj, NULL);
 	if (unlikely(err))
 		return (err == -ENOSPC) ? RESPST_ERR_LENGTH

drivers/infiniband/sw/rxe/rxe_verbs.c

@@ -1011,7 +1011,7 @@ static struct ib_mr *rxe_get_dma_mr(struct ib_pd *ibpd, int access)
 
 	rxe_add_ref(pd);
 
-	err = rxe_mem_init_dma(rxe, pd, access, mr);
+	err = rxe_mem_init_dma(pd, access, mr);
 	if (err)
 		goto err2;
 
@@ -1046,7 +1046,7 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd,
 
 	rxe_add_ref(pd);
 
-	err = rxe_mem_init_user(rxe, pd, start, length, iova,
+	err = rxe_mem_init_user(pd, start, length, iova,
 				access, udata, mr);
 	if (err)
 		goto err3;
@@ -1094,7 +1094,7 @@ static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd,
 
 	rxe_add_ref(pd);
 
-	err = rxe_mem_init_fast(rxe, pd, max_num_sg, mr);
+	err = rxe_mem_init_fast(pd, max_num_sg, mr);
 	if (err)
 		goto err2;