From patchwork Thu Nov 12 14:54:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 11900447 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AC0D31391 for ; Thu, 12 Nov 2020 14:55:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 97F1722240 for ; Thu, 12 Nov 2020 14:55:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728274AbgKLOzF (ORCPT ); Thu, 12 Nov 2020 09:55:05 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:7892 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728486AbgKLOzE (ORCPT ); Thu, 12 Nov 2020 09:55:04 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4CX4Pz0jYGz72kG; Thu, 12 Nov 2020 22:54:47 +0800 (CST) Received: from localhost (10.174.176.180) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Nov 2020 22:54:48 +0800 From: YueHaibing To: , , CC: , , , YueHaibing Subject: [PATCH] IB/srpt: Fix passing zero to 'PTR_ERR' Date: Thu, 12 Nov 2020 22:54:43 +0800 Message-ID: <20201112145443.17832-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.176.180] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Fix smatch warning: drivers/infiniband/ulp/srpt/ib_srpt.c:2341 srpt_cm_req_recv() warn: passing zero to 'PTR_ERR' Use PTR_ERR_OR_ZERO instead of PTR_ERR Fixes: 847462de3a0a ("IB/srpt: Fix srpt_cm_req_recv() error path (1/2)") Signed-off-by: YueHaibing --- drivers/infiniband/ulp/srpt/ib_srpt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 6be60aa5ffe2..3ff24b5048ac 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2338,7 +2338,7 @@ static int srpt_cm_req_recv(struct srpt_device *const sdev, if (IS_ERR_OR_NULL(ch->sess)) { WARN_ON_ONCE(ch->sess == NULL); - ret = PTR_ERR(ch->sess); + ret = PTR_ERR_OR_ZERO(ch->sess); ch->sess = NULL; pr_info("Rejected login for initiator %s: ret = %d.\n", ch->sess_name, ret);