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 b9748970df4aab15502b7c7cc7541c4deca8c87c..29ab814693fc3ee917aa58013ca6d3a8d95062cb 100644 (file)
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -992,8 +992,7 @@ 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;