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

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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>
Cc: stable@vger.kernel.org # 3.15+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Sagi Grimberg 2014-05-20 13:28:11 +03:00 committed by Nicholas Bellinger
parent f5ebec9629
commit 5f80ff8ecc
1 changed files with 3 additions and 2 deletions
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5
drivers/infiniband/ulp/isert/ib_isert.c
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@ -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;
}