From patchwork Wed Aug 19 02:05:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 11722369 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 E655C138C for ; Wed, 19 Aug 2020 02:06:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D84252067C for ; Wed, 19 Aug 2020 02:06:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726989AbgHSCGY (ORCPT ); Tue, 18 Aug 2020 22:06:24 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:9769 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726884AbgHSCGY (ORCPT ); Tue, 18 Aug 2020 22:06:24 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id D466F3F041F0498E387F; Wed, 19 Aug 2020 10:06:19 +0800 (CST) Received: from localhost (10.174.179.108) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Wed, 19 Aug 2020 10:06:12 +0800 From: YueHaibing To: , , CC: , , YueHaibing Subject: [PATCH v2] scsi: libfc: Fix passing zero to 'PTR_ERR' warning Date: Wed, 19 Aug 2020 10:05:46 +0800 Message-ID: <20200819020546.59172-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 In-Reply-To: <20200818114235.51052-1-yuehaibing@huawei.com> References: <20200818114235.51052-1-yuehaibing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.179.108] X-CFilter-Loop: Reflected Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org drivers/scsi/libfc/fc_disc.c:304 fc_disc_error() warn: passing zero to 'PTR_ERR' fp maybe NULL in fc_disc_error(), use IS_ERR to handle this. Signed-off-by: YueHaibing --- v2: use IS_ERR in fc_disc_error() --- drivers/scsi/libfc/fc_disc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index d8cbc9c0e766..574e842cefed 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -302,7 +302,7 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp) unsigned long delay = 0; FC_DISC_DBG(disc, "Error %ld, retries %d/%d\n", - PTR_ERR(fp), disc->retry_count, + IS_ERR(fp) ? PTR_ERR(fp) : 0, disc->retry_count, FC_DISC_RETRY_LIMIT); if (!fp || PTR_ERR(fp) == -FC_EX_TIMEOUT) {