From patchwork Fri Dec 23 20:30:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deepak R Varma X-Patchwork-Id: 636533 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 238E7C4332F for ; Fri, 23 Dec 2022 20:30:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232035AbiLWUai (ORCPT ); Fri, 23 Dec 2022 15:30:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229650AbiLWUah (ORCPT ); Fri, 23 Dec 2022 15:30:37 -0500 Received: from msg-4.mailo.com (msg-4.mailo.com [213.182.54.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA6251CB35; Fri, 23 Dec 2022 12:30:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=mailo.com; s=mailo; t=1671827426; bh=vS/Li6+Zpr7ZVWYqMAYDUhEPOIJVm0V6qi7y4a+hgec=; h=X-EA-Auth:Date:From:To:Cc:Subject:Message-ID:MIME-Version: Content-Type; b=DOFTE9bh+/75w7++Fzm8CplrQvVTNgunb2xbH8+SYagFUIdYrX8+1RQs8SL+BkSyZ nKUH7nSwqGWjenqDvpNeDthszclzY5+Xp8KVcQ0DehP5GZYpkOn2I/mAnkej7fjbOb MHc0zhEYwiFIv1ZYHt/3CBDPJi3D1NFjZt1VIf4I= Received: by b-2.in.mailobj.net [192.168.90.12] with ESMTP via ip-206.mailobj.net [213.182.55.206] Fri, 23 Dec 2022 21:30:26 +0100 (CET) X-EA-Auth: c7h24WgU1hn1i+tB6xwSDyBlqMaEz3g4uv7Rzli+8tGkg/uIxCiLw7CsxEWTL5vDC2rjihhk4WDnChAIIEcfxbpkuSeqHNv6 Date: Sat, 24 Dec 2022 02:00:18 +0530 From: Deepak R Varma To: Kashyap Desai , Sumit Saxena , Shivasharan S , "James E.J. Bottomley" , "Martin K. Petersen" , megaraidlinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Saurabh Singh Sengar , Praveen Kumar , Deepak R Varma Subject: [PATCH] scsi: megaraid_sas: Use sysfs_emit in show function callsbacks Message-ID: MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org According to Documentation/filesystems/sysfs.rst, the show() callback function of kobject attributes should strictly use sysfs_emit() instead of sprintf() family functions. So, make this change. Also, merge split lines wherever possible due to shortened length of lines. Issue identified using the coccinelle device_attr_show.cocci script. Signed-off-by: Deepak R Varma --- drivers/scsi/megaraid/megaraid_sas_base.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) -- 2.34.1 diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 3ceece988338..7fa472ab0b94 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -3335,7 +3335,7 @@ fw_crash_buffer_size_show(struct device *cdev, struct megasas_instance *instance = (struct megasas_instance *) shost->hostdata; - return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long) + return sysfs_emit(buf, "%ld\n", (unsigned long) ((instance->fw_crash_buffer_size) * 1024 * 1024)/PAGE_SIZE); } @@ -3382,14 +3382,14 @@ fw_crash_state_show(struct device *cdev, struct megasas_instance *instance = (struct megasas_instance *) shost->hostdata; - return snprintf(buf, PAGE_SIZE, "%d\n", instance->fw_crash_state); + return sysfs_emit(buf, "%d\n", instance->fw_crash_state); } static ssize_t page_size_show(struct device *cdev, struct device_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%ld\n", (unsigned long)PAGE_SIZE - 1); + return sysfs_emit(buf, "%ld\n", (unsigned long)PAGE_SIZE - 1); } static ssize_t @@ -3399,7 +3399,7 @@ ldio_outstanding_show(struct device *cdev, struct device_attribute *attr, struct Scsi_Host *shost = class_to_shost(cdev); struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; - return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->ldio_outstanding)); + return sysfs_emit(buf, "%d\n", atomic_read(&instance->ldio_outstanding)); } static ssize_t @@ -3409,7 +3409,7 @@ fw_cmds_outstanding_show(struct device *cdev, struct Scsi_Host *shost = class_to_shost(cdev); struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; - return snprintf(buf, PAGE_SIZE, "%d\n", atomic_read(&instance->fw_outstanding)); + return sysfs_emit(buf, "%d\n", atomic_read(&instance->fw_outstanding)); } static ssize_t @@ -3419,7 +3419,7 @@ enable_sdev_max_qd_show(struct device *cdev, struct Scsi_Host *shost = class_to_shost(cdev); struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; - return snprintf(buf, PAGE_SIZE, "%d\n", instance->enable_sdev_max_qd); + return sysfs_emit(buf, "%d\n", instance->enable_sdev_max_qd); } static ssize_t @@ -3473,8 +3473,7 @@ raid_map_id_show(struct device *cdev, struct device_attribute *attr, struct megasas_instance *instance = (struct megasas_instance *)shost->hostdata; - return snprintf(buf, PAGE_SIZE, "%ld\n", - (unsigned long)instance->map_id); + return sysfs_emit(buf, "%ld\n", (unsigned long)instance->map_id); } static DEVICE_ATTR_RW(fw_crash_buffer);