From patchwork Tue Jan 16 04:51:30 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: 763570 Received: from esa2.hc1455-7.c3s2.iphmx.com (esa2.hc1455-7.c3s2.iphmx.com [207.54.90.48]) (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 C848F12E72; Tue, 16 Jan 2024 04:52:29 +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="146236950" X-IronPort-AV: E=Sophos;i="6.04,198,1695654000"; d="scan'208";a="146236950" Received: from unknown (HELO oym-r1.gw.nic.fujitsu.com) ([210.162.30.89]) by esa2.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2024 13:52:29 +0900 Received: from oym-m3.gw.nic.fujitsu.com (oym-nat-oym-m3.gw.nic.fujitsu.com [192.168.87.60]) by oym-r1.gw.nic.fujitsu.com (Postfix) with ESMTP id 480FAE8BFC; 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 76700D9492; 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 17D50200A7687; Tue, 16 Jan 2024 13:52:20 +0900 (JST) Received: from localhost.localdomain (unknown [10.167.226.45]) by edo.cn.fujitsu.com (Postfix) with ESMTP id A2ABC1A015F; Tue, 16 Jan 2024 12:52:19 +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 21/42] drivers/scsi/fcoe: Convert snprintf to sysfs_emit Date: Tue, 16 Jan 2024 12:51:30 +0800 Message-Id: <20240116045151.3940401-19-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--13.189000-10.000000 X-TMASE-MatchedRID: 1RpOuHOu+mY4ibokZ3+Q0CoiRKlBVkYIBXngI6jFvpfvd49YGReckE1N J2MN+nPkgxCMf8A0YpR5sRK06wHV4dL4Vi2vvkbTrMZ+BqQt2NrBOVz0Jwcxl6vCrG0TnfVUg9x e4gtUJtpqw4mhfH/Cj8iWCtuAyviG5RabHzIDOgzNgrlT5Ajc7n0tCKdnhB589yM15V5aWpj6C0 ePs7A07YnxgmBGuBcXu5Zf5rxVJ9Kns619g/0YwHLVeDbDQgLaXb5gFkYvCXU= 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/fcoe/fcoe_sysfs.c:253:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/fcoe/fcoe_sysfs.c:268:8-16: WARNING: please use sysfs_emit > ./drivers/scsi/fcoe/fcoe_sysfs.c:376:8-16: 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/fcoe/fcoe_sysfs.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c index e17957f8085c..9705a579e0d0 100644 --- a/drivers/scsi/fcoe/fcoe_sysfs.c +++ b/drivers/scsi/fcoe/fcoe_sysfs.c @@ -250,7 +250,7 @@ static ssize_t show_fcf_state(struct device *dev, name = get_fcoe_fcf_state_name(fcf->state); if (!name) return -EINVAL; - return snprintf(buf, FCOE_FCF_STATE_MAX_NAMELEN, "%s\n", name); + return sysfs_emit(buf, "%s\n", name); } static FCOE_DEVICE_ATTR(fcf, state, S_IRUGO, show_fcf_state, NULL); @@ -265,8 +265,7 @@ static ssize_t show_ctlr_mode(struct device *dev, name = get_fcoe_ctlr_mode_name(ctlr->mode); if (!name) return -EINVAL; - return snprintf(buf, FCOE_MAX_MODENAME_LEN, - "%s\n", name); + return sysfs_emit(buf, "%s\n", name); } static ssize_t store_ctlr_mode(struct device *dev, @@ -373,8 +372,7 @@ static ssize_t show_ctlr_enabled_state(struct device *dev, name = get_fcoe_ctlr_enabled_state_name(ctlr->enabled); if (!name) return -EINVAL; - return snprintf(buf, FCOE_CTLR_ENABLED_MAX_NAMELEN, - "%s\n", name); + return sysfs_emit(buf, "%s\n", name); } static FCOE_DEVICE_ATTR(ctlr, enabled, S_IRUGO | S_IWUSR,