From patchwork Thu Jun 7 01:47:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 10451029 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1D47560245 for ; Thu, 7 Jun 2018 01:41:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0329F29948 for ; Thu, 7 Jun 2018 01:41:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E84E7299D5; Thu, 7 Jun 2018 01:41:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8D97C29948 for ; Thu, 7 Jun 2018 01:41:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752359AbeFGBl3 (ORCPT ); Wed, 6 Jun 2018 21:41:29 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:8649 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752257AbeFGBl3 (ORCPT ); Wed, 6 Jun 2018 21:41:29 -0400 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id C3BBC6ED4C970; Thu, 7 Jun 2018 09:41:15 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id 14.3.382.0; Thu, 7 Jun 2018 09:41:10 +0800 From: Wei Yongjun To: Leon Romanovsky , Doug Ledford , Jason Gunthorpe , Raed Salem CC: Wei Yongjun , , Subject: [PATCH -next] IB/mlx5: Fix return value check in flow_counters_set_data() Date: Thu, 7 Jun 2018 01:47:41 +0000 Message-ID: <1528336061-13069-1-git-send-email-weiyongjun1@huawei.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In case of error, the function mlx5_fc_create() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 3b3233fbf02e ("IB/mlx5: Add flow counters binding support") Signed-off-by: Wei Yongjun Acked-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index e52dd21..f486e92 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -3199,8 +3199,8 @@ static int flow_counters_set_data(struct ib_counters *ibcounters, if (!mcounters->hw_cntrs_hndl) { mcounters->hw_cntrs_hndl = mlx5_fc_create( to_mdev(ibcounters->device)->mdev, false); - if (!mcounters->hw_cntrs_hndl) { - ret = -ENOMEM; + if (IS_ERR(mcounters->hw_cntrs_hndl)) { + ret = PTR_ERR(mcounters->hw_cntrs_hndl); goto free; } hw_hndl = true;