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>

diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c
index 6cdc40e..a285978 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_comp.c
+++ b/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)

diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h
index 2f8ab8e..a51ece5 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_loc.h
+++ b/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);
 

diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index 5c2684b..dff605f 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/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,

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 7bdaf71..957826d 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/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);

diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index ed402f0..c45c1ff 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/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

diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 2cb52fd..c520614 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/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;