From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86688C07E9B for ; Wed, 21 Jul 2021 06:13:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69272600EF for ; Wed, 21 Jul 2021 06:13:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232930AbhGUFcn (ORCPT ); Wed, 21 Jul 2021 01:32:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:34190 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232468AbhGUFci (ORCPT ); Wed, 21 Jul 2021 01:32:38 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B9DF7600EF; Wed, 21 Jul 2021 06:13:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626847995; bh=CEJyO9Yy4FU8TKYwWIP+VJYoiy0mqOrVsLitic27HE0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=inLjeueoNXyZHCu9I4uoFEeQVHpoaFukdalnk7nln8JKApw0x5xZlG6oUjsWO+9tr PcuQNP6P3RfC5o1VYNfH1a/KZpwOrJjXG7gMXBrzdST+a3NrU1DdbSSlmnNjp6j8DM cfWGK7YXDcWGlbV90U7seijAdYhBRCjixfO/UUAEiOD3NFw2+CUcTP+Fo8yuN4wkK/ Nqb+yJNmuCYbt+CSocf2LvuD6+1eoNNIX8JyTNLVAKbqZR+hmVSu3Ych6TAEJZtCWU wpToQXy6ii+s4R0mXanURGkKcPk6sdlJRM7h/dD0+NQS3wVoExI2oVlejXcrdnL2ZE 3gNwRedIuCTqA== From: Leon Romanovsky To: Doug Ledford , Jason Gunthorpe Cc: Leon Romanovsky , linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Mark Zhang Subject: [PATCH rdma-next 2/7] RDMA/core: Delete duplicated and unreachable code Date: Wed, 21 Jul 2021 09:13:01 +0300 Message-Id: <5f65e3382a54cf2143b8a9ea38998e82ec14475c.1626846795.git.leonro@nvidia.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Leon Romanovsky The ib_create_named_qp() is kernel verb and no kernel users exist that use XRC_INI QP. Hence such QP path is not reachable. In addition, delete duplicated assignments of QP attributes from the initialization structure. Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/core_priv.h | 1 + drivers/infiniband/core/verbs.c | 22 ++++------------------ 2 files changed, 5 insertions(+), 18 deletions(-) diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index 5dfa1190e3ea..cc54d74930d6 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -342,6 +342,7 @@ _ib_create_qp(struct ib_device *dev, struct ib_pd *pd, qp->rwq_ind_tbl = attr->rwq_ind_tbl; qp->event_handler = attr->event_handler; qp->port = attr->port_num; + qp->qp_context = attr->qp_context; spin_lock_init(&qp->mr_lock); INIT_LIST_HEAD(&qp->rdma_mrs); diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 89c6987cb5eb..635642a3ecbc 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1257,28 +1257,14 @@ struct ib_qp *ib_create_named_qp(struct ib_pd *pd, return xrc_qp; } - qp->event_handler = qp_init_attr->event_handler; - qp->qp_context = qp_init_attr->qp_context; - if (qp_init_attr->qp_type == IB_QPT_XRC_INI) { - qp->recv_cq = NULL; - qp->srq = NULL; - } else { - qp->recv_cq = qp_init_attr->recv_cq; - if (qp_init_attr->recv_cq) - atomic_inc(&qp_init_attr->recv_cq->usecnt); - qp->srq = qp_init_attr->srq; - if (qp->srq) - atomic_inc(&qp_init_attr->srq->usecnt); - } - - qp->send_cq = qp_init_attr->send_cq; - qp->xrcd = NULL; + if (qp_init_attr->recv_cq) + atomic_inc(&qp_init_attr->recv_cq->usecnt); + if (qp->srq) + atomic_inc(&qp_init_attr->srq->usecnt); atomic_inc(&pd->usecnt); if (qp_init_attr->send_cq) atomic_inc(&qp_init_attr->send_cq->usecnt); - if (qp_init_attr->rwq_ind_tbl) - atomic_inc(&qp->rwq_ind_tbl->usecnt); if (qp_init_attr->cap.max_rdma_ctxs) { ret = rdma_rw_init_mrs(qp, qp_init_attr); -- 2.31.1