From patchwork Tue Jan 16 04:51:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhijian Li \(Fujitsu\)" X-Patchwork-Id: 763568 Received: from esa7.hc1455-7.c3s2.iphmx.com (esa7.hc1455-7.c3s2.iphmx.com [139.138.61.252]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E119E1BDC9; Tue, 16 Jan 2024 04:52:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=fujitsu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fujitsu.com X-IronPort-AV: E=McAfee;i="6600,9927,10954"; a="125018784" X-IronPort-AV: E=Sophos;i="6.04,198,1695654000"; d="scan'208";a="125018784" Received: from unknown (HELO oym-r4.gw.nic.fujitsu.com) ([210.162.30.92]) by esa7.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2024 13:52:28 +0900 Received: from oym-m3.gw.nic.fujitsu.com (oym-nat-oym-m3.gw.nic.fujitsu.com [192.168.87.60]) by oym-r4.gw.nic.fujitsu.com (Postfix) with ESMTP id 4514CD9D8F; Tue, 16 Jan 2024 13:52:26 +0900 (JST) Received: from kws-ab3.gw.nic.fujitsu.com (kws-ab3.gw.nic.fujitsu.com [192.51.206.21]) by oym-m3.gw.nic.fujitsu.com (Postfix) with ESMTP id 6D9A8D948C; Tue, 16 Jan 2024 13:52:25 +0900 (JST) Received: from edo.cn.fujitsu.com (edo.cn.fujitsu.com [10.167.33.5]) by kws-ab3.gw.nic.fujitsu.com (Postfix) with ESMTP id 091EA20098E39; Tue, 16 Jan 2024 13:52:25 +0900 (JST) Received: from localhost.localdomain (unknown [10.167.226.45]) by edo.cn.fujitsu.com (Postfix) with ESMTP id B32651A0070; Tue, 16 Jan 2024 12:52:24 +0800 (CST) From: Li Zhijian To: linux-kernel@vger.kernel.org Cc: Li Zhijian , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org Subject: [PATCH 35/42] drivers/scsi/pmcraid: Convert snprintf to sysfs_emit Date: Tue, 16 Jan 2024 12:51:44 +0800 Message-Id: <20240116045151.3940401-33-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20240116045151.3940401-1-lizhijian@fujitsu.com> References: <20240116041129.3937800-1-lizhijian@fujitsu.com> <20240116045151.3940401-1-lizhijian@fujitsu.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSS-9.1.0.1417-9.0.0.1002-28122.004 X-TM-AS-User-Approved-Sender: Yes X-TMASE-Version: IMSS-9.1.0.1417-9.0.1002-28122.004 X-TMASE-Result: 10--16.750200-10.000000 X-TMASE-MatchedRID: st9CF01730Y4ibokZ3+Q0CoiRKlBVkYIBXngI6jFvpfvd49YGReckE1N J2MN+nPkgxCMf8A0YpR5sRK06wHV4dL4Vi2vvkbTrMZ+BqQt2NrBOVz0Jwcxl6vCrG0TnfVU2d8 mtRIRsUOh6RR0CtnXgaI1Q85Nw6wpfDPEC/yQgPTfSQNpZkETVAv/9UzFeXIT0y9hkRwHPXFiY4 PRl594rWe0jURB2B0R42Q73ENE9hUfE8yM4pjsD2odc419PBJCxEHRux+uk8jpP8tMOyYmaA== X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 Per filesystems/sysfs.rst, show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. coccinelle complains that there are still a couple of functions that use snprintf(). Convert them to sysfs_emit(). > ./drivers/scsi/pmcraid.c:3541:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/pmcraid.c:3602:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/pmcraid.c:3635:8-16: WARNING: please use sysfs_emit No functional change intended CC: "James E.J. Bottomley" CC: "Martin K. Petersen" CC: linux-scsi@vger.kernel.org Signed-off-by: Li Zhijian --- drivers/scsi/pmcraid.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index e8bcc3a88732..eb8973ac4cc7 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -3538,7 +3538,7 @@ static ssize_t pmcraid_show_log_level( struct Scsi_Host *shost = class_to_shost(dev); struct pmcraid_instance *pinstance = (struct pmcraid_instance *)shost->hostdata; - return snprintf(buf, PAGE_SIZE, "%d\n", pinstance->current_log_level); + return sysfs_emit(buf, "%d\n", pinstance->current_log_level); } /** @@ -3599,8 +3599,7 @@ static ssize_t pmcraid_show_drv_version( char *buf ) { - return snprintf(buf, PAGE_SIZE, "version: %s\n", - PMCRAID_DRIVER_VERSION); + return sysfs_emit(buf, "version: %s\n", PMCRAID_DRIVER_VERSION); } static struct device_attribute pmcraid_driver_version_attr = { @@ -3632,9 +3631,9 @@ static ssize_t pmcraid_show_adapter_id( u32 adapter_id = pci_dev_id(pinstance->pdev); u32 aen_group = pmcraid_event_family.id; - return snprintf(buf, PAGE_SIZE, - "adapter id: %d\nminor: %d\naen group: %d\n", - adapter_id, MINOR(pinstance->cdev.dev), aen_group); + return sysfs_emit(buf, + "adapter id: %d\nminor: %d\naen group: %d\n", + adapter_id, MINOR(pinstance->cdev.dev), aen_group); } static struct device_attribute pmcraid_adapter_id_attr = {