Target/iser: Gracefully reject T10-PI enabled connect request if not supported

commit 5f80ff8ecc upstream.

In case user chose to set T10-PI enable on the target while
the IB device does not support it, gracefully reject the request.

Reported-by: Slava Shwartsman <valyushash@gmail.com>
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sagi Grimberg
2014-05-20 13:28:11 +03:00
committed by Greg Kroah-Hartman
parent d616f6745d
commit 5b50bf7e57

View File

@@ -663,8 +663,9 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
pi_support = np->tpg_np->tpg->tpg_attrib.t10_pi;
if (pi_support && !device->pi_capable) {
pr_err("Protection information requested but not supported\n");
ret = -EINVAL;
pr_err("Protection information requested but not supported, "
"rejecting connect request\n");
ret = rdma_reject(cma_id, NULL, 0);
goto out_mr;
}