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authorSagi Grimberg <sagig@mellanox.com>2014-05-20 13:28:11 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2014-05-20 11:18:44 -0700
commit5f80ff8eccba50832dcc640ac89add4c7fced963 (patch)
treec861a3a53164dd5041bdc2f1df49460df608c826
parentf5ebec9629cf78eeeea4b8258882a9f439ab2404 (diff)
downloadop-kernel-dev-5f80ff8eccba50832dcc640ac89add4c7fced963.zip
op-kernel-dev-5f80ff8eccba50832dcc640ac89add4c7fced963.tar.gz
Target/iser: Gracefully reject T10-PI enabled connect request if not supported
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>
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index c687951..b622783 100644
--- 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 *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;
}
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