IB/srpt: Disable RDMA access by the initiator

commit bec40c26041de61162f7be9d2ce548c756ce0f65 upstream.

With the SRP protocol all RDMA operations are initiated by the target.
Since no RDMA operations are initiated by the initiator, do not grant
the initiator permission to submit RDMA reads or writes to the target.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 95178b4e3565d46e6349a21319a8aad4ca30f571..fbc142a7b883d1aba01f21b6033db43dfaa6ec35 100644 (file)
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1000,8 +1000,7 @@ static int srpt_init_ch_qp(struct srpt_rdma_ch *ch, struct ib_qp *qp)
                return -ENOMEM;
 
        attr->qp_state = IB_QPS_INIT;
-       attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_READ |
-           IB_ACCESS_REMOTE_WRITE;
+       attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE;
        attr->port_num = ch->sport->port;
        attr->pkey_index = 0;