RDMA/rtrs-clt: Remove redundant code from rtrs_clt_read_req

There is no need to dereference 's' from 'sess', since we have "sess =
to_clt_sess(s)" before.

And we can deference 'dev' from 's' earlier.

Link: https://lore.kernel.org/r/20210325153308.1214057-8-gi-oh.kim@ionos.com
Signed-off-by: Guoqing Jiang <guoqing.jiang@ionos.com>
Reviewed-by: Danil Kipnis <danil.kipnis@ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index f95955f..8a62828 100644 (file)
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1052,7 +1052,7 @@ static int rtrs_clt_read_req(struct rtrs_clt_io_req *req)
        struct rtrs_sess *s = con->c.sess;
        struct rtrs_clt_sess *sess = to_clt_sess(s);
        struct rtrs_msg_rdma_read *msg;
-       struct rtrs_ib_dev *dev;
+       struct rtrs_ib_dev *dev = sess->s.dev;
 
        struct ib_reg_wr rwr;
        struct ib_send_wr *wr = NULL;
@@ -1062,9 +1062,6 @@ static int rtrs_clt_read_req(struct rtrs_clt_io_req *req)
 
        const size_t tsize = sizeof(*msg) + req->data_len + req->usr_len;
 
-       s = &sess->s;
-       dev = sess->s.dev;
-
        if (unlikely(tsize > sess->chunk_size)) {
                rtrs_wrn(s,
                          "Read request failed, message size is %zu, bigger than CHUNK_SIZE %d\n",