| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.15 091/139] Target/iser: Gracefully reject T10-PI enabled connect request if not supported | Date | Sat, 28 Jun 2014 10:47:32 -0700 |
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3.15-stable review patch. If anyone has any objections, please let me know.
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From: Sagi Grimberg <sagig@mellanox.com>
commit 5f80ff8eccba50832dcc640ac89add4c7fced963 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>
--- drivers/infiniband/ulp/isert/ib_isert.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -663,8 +663,9 @@ isert_connect_request(struct rdma_cm_id 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; }
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