RDMA/rtrs: server: remove dead code

As rkey had been initialized to zero, the WARN_ON_ONCE should never been
triggered. Remove it.

Fixes: 9cb837480424 ("RDMA/rtrs: server: main functionality")
Signed-off-by: Honggang LI <honggangli@163.com>
Link: https://patch.msgid.link/20251224023819.138846-1-honggangli@163.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
index 9ecc6343455d6c4f46d1daf8d8979564c1ed93cb..7a402eb8e0bf0c653a845562a2ea38754091a185 100644 (file)
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -208,7 +208,6 @@ static int rdma_write_sg(struct rtrs_srv_op *id)
        size_t sg_cnt;
        int err, offset;
        bool need_inval;
-       u32 rkey = 0;
        struct ib_reg_wr rwr;
        struct ib_sge *plist;
        struct ib_sge list;
@@ -240,11 +239,6 @@ static int rdma_write_sg(struct rtrs_srv_op *id)
        wr->wr.num_sge  = 1;
        wr->remote_addr = le64_to_cpu(id->rd_msg->desc[0].addr);
        wr->rkey        = le32_to_cpu(id->rd_msg->desc[0].key);
-       if (rkey == 0)
-               rkey = wr->rkey;
-       else
-               /* Only one key is actually used */
-               WARN_ON_ONCE(rkey != wr->rkey);
 
        wr->wr.opcode = IB_WR_RDMA_WRITE;
        wr->wr.wr_cqe   = &io_comp_cqe;
@@ -277,7 +271,7 @@ static int rdma_write_sg(struct rtrs_srv_op *id)
                inv_wr.opcode = IB_WR_SEND_WITH_INV;
                inv_wr.wr_cqe   = &io_comp_cqe;
                inv_wr.send_flags = 0;
-               inv_wr.ex.invalidate_rkey = rkey;
+               inv_wr.ex.invalidate_rkey = wr->rkey;
        }
 
        imm_wr.wr.next = NULL;