From 5f80ff8eccba50832dcc640ac89add4c7fced963 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Tue, 20 May 2014 13:28:11 +0300 Subject: [PATCH] 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 Signed-off-by: Sagi Grimberg Cc: stable@vger.kernel.org # 3.15+ Signed-off-by: Nicholas Bellinger --- drivers/infiniband/ulp/isert/ib_isert.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index c68795194e25..b622783ab198 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; }