From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Slava Shwartsman , Sagi Grimberg , Nicholas Bellinger 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 Message-Id: <20140628174609.573743384@linuxfoundation.org> In-Reply-To: <20140628174605.352098823@linuxfoundation.org> References: <20140628174605.352098823@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sagi Grimberg 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 Signed-off-by: Sagi Grimberg Signed-off-by: Nicholas Bellinger Signed-off-by: Greg Kroah-Hartman --- 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; }