From patchwork Tue Jan 16 04:51:40 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: 763253 Received: from esa4.hc1455-7.c3s2.iphmx.com (esa4.hc1455-7.c3s2.iphmx.com [68.232.139.117]) (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 56BC710A3C; Tue, 16 Jan 2024 04:52:28 +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="146510864" X-IronPort-AV: E=Sophos;i="6.04,198,1695654000"; d="scan'208";a="146510864" Received: from unknown (HELO oym-r3.gw.nic.fujitsu.com) ([210.162.30.91]) by esa4.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2024 13:52:27 +0900 Received: from oym-m2.gw.nic.fujitsu.com (oym-nat-oym-m2.gw.nic.fujitsu.com [192.168.87.59]) by oym-r3.gw.nic.fujitsu.com (Postfix) with ESMTP id 3E61CD64B1; Tue, 16 Jan 2024 13:52:25 +0900 (JST) Received: from kws-ab3.gw.nic.fujitsu.com (kws-ab3.gw.nic.fujitsu.com [192.51.206.21]) by oym-m2.gw.nic.fujitsu.com (Postfix) with ESMTP id 64578BF4C4; Tue, 16 Jan 2024 13:52:24 +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 E561D200A56C5; Tue, 16 Jan 2024 13:52:23 +0900 (JST) Received: from localhost.localdomain (unknown [10.167.226.45]) by edo.cn.fujitsu.com (Postfix) with ESMTP id 743421A0070; Tue, 16 Jan 2024 12:52:23 +0800 (CST) From: Li Zhijian To: linux-kernel@vger.kernel.org Cc: Li Zhijian , Hannes Reinecke , "James E.J. Bottomley" , "Martin K. Petersen" , linux-scsi@vger.kernel.org Subject: [PATCH 31/42] drivers/scsi/myrs: Convert snprintf to sysfs_emit Date: Tue, 16 Jan 2024 12:51:40 +0800 Message-Id: <20240116045151.3940401-29-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--8.367900-10.000000 X-TMASE-MatchedRID: 1XqbU0So2KU4ibokZ3+Q0CoiRKlBVkYIBXngI6jFvpfvd49YGReckE1N J2MN+nPkgxCMf8A0YpR5sRK06wHV4TBF7stuNMMxLdBFrfY9r2nBOVz0Jwcxl6vCrG0TnfVUg9x e4gtUJtpqw4mhfH/Cj7xaYlLIzqlbaTkWqXcVprtB9I5g6XEpixgff28UuvIT3EZVcUQp7dZ1gn ekL1c23uwlX0g/WxMCp43H9nP9RJd1iVo4TLgcHLqQyAveNtg6Q1Zooh0EhXh7Iyy6sbAxFWRSp +vSaR74xb0e/VUxknqAMuqetGVetnyef22ep6XYOwBXM346/+yhd8PXj9ue1lP2heyqFD+YWmTz uMGeDTdFU4VE3yU+ZDmaRwPzYxiF 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/myrs.c:1061:9-17: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1089:9-17: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1193:9-17: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1306:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1316:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1391:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1401:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1411:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1421:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:1491:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/myrs.c:942:9-17: WARNING: please use sysfs_emit No functional change intended CC: Hannes Reinecke CC: "James E.J. Bottomley" CC: "Martin K. Petersen" CC: linux-scsi@vger.kernel.org Signed-off-by: Li Zhijian --- drivers/scsi/myrs.c | 56 ++++++++++++++++++++++----------------------- 1 file changed, 28 insertions(+), 28 deletions(-) diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c index a1eec65a9713..deafe5904055 100644 --- a/drivers/scsi/myrs.c +++ b/drivers/scsi/myrs.c @@ -939,7 +939,7 @@ static ssize_t raid_state_show(struct device *dev, int ret; if (!sdev->hostdata) - return snprintf(buf, 16, "Unknown\n"); + return sysfs_emit(buf, "Unknown\n"); if (sdev->channel >= cs->ctlr_info->physchan_present) { struct myrs_ldev_info *ldev_info = sdev->hostdata; @@ -947,10 +947,10 @@ static ssize_t raid_state_show(struct device *dev, name = myrs_devstate_name(ldev_info->dev_state); if (name) - ret = snprintf(buf, 32, "%s\n", name); + ret = sysfs_emit(buf, "%s\n", name); else - ret = snprintf(buf, 32, "Invalid (%02X)\n", - ldev_info->dev_state); + ret = sysfs_emit(buf, "Invalid (%02X)\n", + ldev_info->dev_state); } else { struct myrs_pdev_info *pdev_info; const char *name; @@ -958,10 +958,10 @@ static ssize_t raid_state_show(struct device *dev, pdev_info = sdev->hostdata; name = myrs_devstate_name(pdev_info->dev_state); if (name) - ret = snprintf(buf, 32, "%s\n", name); + ret = sysfs_emit(buf, "%s\n", name); else - ret = snprintf(buf, 32, "Invalid (%02X)\n", - pdev_info->dev_state); + ret = sysfs_emit(buf, "Invalid (%02X)\n", + pdev_info->dev_state); } return ret; } @@ -1058,7 +1058,7 @@ static ssize_t raid_level_show(struct device *dev, const char *name = NULL; if (!sdev->hostdata) - return snprintf(buf, 16, "Unknown\n"); + return sysfs_emit(buf, "Unknown\n"); if (sdev->channel >= cs->ctlr_info->physchan_present) { struct myrs_ldev_info *ldev_info; @@ -1066,13 +1066,13 @@ static ssize_t raid_level_show(struct device *dev, ldev_info = sdev->hostdata; name = myrs_raid_level_name(ldev_info->raid_level); if (!name) - return snprintf(buf, 32, "Invalid (%02X)\n", + return sysfs_emit(buf, "Invalid (%02X)\n", ldev_info->dev_state); } else name = myrs_raid_level_name(MYRS_RAID_PHYSICAL); - return snprintf(buf, 32, "%s\n", name); + return sysfs_emit(buf, "%s\n", name); } static DEVICE_ATTR_RO(raid_level); @@ -1086,7 +1086,7 @@ static ssize_t rebuild_show(struct device *dev, unsigned char status; if (sdev->channel < cs->ctlr_info->physchan_present) - return snprintf(buf, 32, "physical device - not rebuilding\n"); + return sysfs_emit(buf, "physical device - not rebuilding\n"); ldev_info = sdev->hostdata; ldev_num = ldev_info->ldev_num; @@ -1098,11 +1098,11 @@ static ssize_t rebuild_show(struct device *dev, return -EIO; } if (ldev_info->rbld_active) { - return snprintf(buf, 32, "rebuilding block %zu of %zu\n", + return sysfs_emit(buf, "rebuilding block %zu of %zu\n", (size_t)ldev_info->rbld_lba, (size_t)ldev_info->cfg_devsize); } else - return snprintf(buf, 32, "not rebuilding\n"); + return sysfs_emit(buf, "not rebuilding\n"); } static ssize_t rebuild_store(struct device *dev, @@ -1190,7 +1190,7 @@ static ssize_t consistency_check_show(struct device *dev, unsigned short ldev_num; if (sdev->channel < cs->ctlr_info->physchan_present) - return snprintf(buf, 32, "physical device - not checking\n"); + return sysfs_emit(buf, "physical device - not checking\n"); ldev_info = sdev->hostdata; if (!ldev_info) @@ -1198,11 +1198,11 @@ static ssize_t consistency_check_show(struct device *dev, ldev_num = ldev_info->ldev_num; myrs_get_ldev_info(cs, ldev_num, ldev_info); if (ldev_info->cc_active) - return snprintf(buf, 32, "checking block %zu of %zu\n", - (size_t)ldev_info->cc_lba, - (size_t)ldev_info->cfg_devsize); + return sysfs_emit(buf, "checking block %zu of %zu\n", + (size_t)ldev_info->cc_lba, + (size_t)ldev_info->cfg_devsize); else - return snprintf(buf, 32, "not checking\n"); + return sysfs_emit(buf, "not checking\n"); } static ssize_t consistency_check_store(struct device *dev, @@ -1303,7 +1303,7 @@ static ssize_t serial_show(struct device *dev, memcpy(serial, cs->ctlr_info->serial_number, 16); serial[16] = '\0'; - return snprintf(buf, 16, "%s\n", serial); + return sysfs_emit(buf, "%s\n", serial); } static DEVICE_ATTR_RO(serial); @@ -1313,7 +1313,7 @@ static ssize_t ctlr_num_show(struct device *dev, struct Scsi_Host *shost = class_to_shost(dev); struct myrs_hba *cs = shost_priv(shost); - return snprintf(buf, 20, "%d\n", cs->host->host_no); + return sysfs_emit(buf, "%d\n", cs->host->host_no); } static DEVICE_ATTR_RO(ctlr_num); @@ -1388,7 +1388,7 @@ static ssize_t model_show(struct device *dev, struct Scsi_Host *shost = class_to_shost(dev); struct myrs_hba *cs = shost_priv(shost); - return snprintf(buf, 28, "%s\n", cs->model_name); + return sysfs_emit(buf, "%s\n", cs->model_name); } static DEVICE_ATTR_RO(model); @@ -1398,7 +1398,7 @@ static ssize_t ctlr_type_show(struct device *dev, struct Scsi_Host *shost = class_to_shost(dev); struct myrs_hba *cs = shost_priv(shost); - return snprintf(buf, 4, "%d\n", cs->ctlr_info->ctlr_type); + return sysfs_emit(buf, "%d\n", cs->ctlr_info->ctlr_type); } static DEVICE_ATTR_RO(ctlr_type); @@ -1408,7 +1408,7 @@ static ssize_t cache_size_show(struct device *dev, struct Scsi_Host *shost = class_to_shost(dev); struct myrs_hba *cs = shost_priv(shost); - return snprintf(buf, 8, "%d MB\n", cs->ctlr_info->cache_size_mb); + return sysfs_emit(buf, "%d MB\n", cs->ctlr_info->cache_size_mb); } static DEVICE_ATTR_RO(cache_size); @@ -1418,10 +1418,10 @@ static ssize_t firmware_show(struct device *dev, struct Scsi_Host *shost = class_to_shost(dev); struct myrs_hba *cs = shost_priv(shost); - return snprintf(buf, 16, "%d.%02d-%02d\n", - cs->ctlr_info->fw_major_version, - cs->ctlr_info->fw_minor_version, - cs->ctlr_info->fw_turn_number); + return sysfs_emit(buf, "%d.%02d-%02d\n", + cs->ctlr_info->fw_major_version, + cs->ctlr_info->fw_minor_version, + cs->ctlr_info->fw_turn_number); } static DEVICE_ATTR_RO(firmware); @@ -1488,7 +1488,7 @@ static ssize_t disable_enclosure_messages_show(struct device *dev, struct Scsi_Host *shost = class_to_shost(dev); struct myrs_hba *cs = shost_priv(shost); - return snprintf(buf, 3, "%d\n", cs->disable_enc_msg); + return sysfs_emit(buf, "%d\n", cs->disable_enc_msg); } static ssize_t disable_enclosure_messages_store(struct device *dev,