IB/srpt: Disable RDMA access by the initiator

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>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 8a1bd354b1cc1cb195d77be4d545a11c1bc93ac4..7c4249038004a34067f1fe01af0833a9c2862ccb 100644 (file)
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1013,8 +1013,7 @@ 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;