From patchwork Mon Oct 10 10:57:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jules Irenge X-Patchwork-Id: 13002478 X-Patchwork-Delegate: jikos@jikos.cz 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 234CEC433F5 for ; Mon, 10 Oct 2022 10:57:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231856AbiJJK5Y (ORCPT ); Mon, 10 Oct 2022 06:57:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231654AbiJJK5W (ORCPT ); Mon, 10 Oct 2022 06:57:22 -0400 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B46B65543; Mon, 10 Oct 2022 03:57:20 -0700 (PDT) Received: by mail-wm1-x330.google.com with SMTP id bg9-20020a05600c3c8900b003bf249616b0so6166255wmb.3; Mon, 10 Oct 2022 03:57:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-disposition:mime-version:message-id:subject:cc:to:date:from :from:to:cc:subject:date:message-id:reply-to; bh=fN4r8CDn7pemOqYmN/evGA/y9m/PE8B8URfgxXvBj2U=; b=RJYs1I/1ig+l0BWr3VkcGiT1dtJb3UNnOxikQmpe8Wy3CJQbo/Udo0JHtlN0dbd9xS YN5HIC1vYmbn/qF+Us/Ni05FQIdwUsV4tiUAYmwacIQqiACHmYDX+wuEUQTz1l/mT8pv NQw6dix8Xnh/KDQnPjLXM6GMs2Ro1tkkOPJSkJ56kuyeGIzK0PF9zvVbmUX18pk1oDuw 8txGv9xryu1FF9QcZFYWII16pHMxP5xUrtNi/JuROH47B9jgc8BPNIX41oRzSmsyOE6o I8EeIMsHVXbm6/za15TilJKaQPnAX+Q/Lj2R4IkFjPokvRXuXC6Xidl6f2GNayBPW146 v/hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-disposition:mime-version:message-id:subject:cc:to:date:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fN4r8CDn7pemOqYmN/evGA/y9m/PE8B8URfgxXvBj2U=; b=3IfV1ntqWdaKSZmfDJPh4wF6yy1QlU070LaZj5fcSUHG8yIzTZqCRgVijDE6CBIbXS fGYpCK1ABwNE7ViN5yUx2x77v1Zykok3CqGwMQlRXuCfO9uOnojYTa8LzcwjVcpTLewB RZ7CBneAGhc/jJk/5+NfuYt0dDHNYslex4lJ0UXWCbQVQZpFVlw0pPUrJMnKE6bSCKL/ Gkk7YolCErkWttiM6BYRAS0mSkGxlxDxsxh8h1wTrAsE7dNYSgUfceKLFzzboakOdPIr KFqig1TXMNIElKqpzjc4hFyJJa3rZzHjeWvYNaT74ZgnOnTt2wyZtkxIb0P0h3Oa1Z+g 1b3A== X-Gm-Message-State: ACrzQf0z4HdTfsqJFLFdvht5dhAgqz6l44OgiZwoeO2YgapBtyFktCgu QFBS8irk1zd2Vswj/gUK7ltZrIZBpQ== X-Google-Smtp-Source: AMsMyM7Bu1aO2pQJWWEeX6x3C/IGK3nrIxlnY8K8OGLih8x2wqgJIp3YvVJlJTfCnrNUmflKnOMgsg== X-Received: by 2002:a05:600c:587:b0:3c6:b64b:81fc with SMTP id o7-20020a05600c058700b003c6b64b81fcmr2940106wmd.123.1665399438907; Mon, 10 Oct 2022 03:57:18 -0700 (PDT) Received: from octinomon ([212.121.210.249]) by smtp.gmail.com with ESMTPSA id c190-20020a1c35c7000000b003b492338f45sm10252213wma.39.2022.10.10.03.57.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Oct 2022 03:57:18 -0700 (PDT) From: Jules Irenge X-Google-Original-From: Jules Irenge Date: Mon, 10 Oct 2022 11:57:15 +0100 To: benjamin.tissoires@redhat.com Cc: erazor_de@users.sourceforge.net, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Elana.Copperman@mobileye.com Subject: [PATCH v2] HID: roccat-*: Convert snprintf() to sysfs_emit() Message-ID: MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Coccinnelle reports a warning Warning: Use scnprintf or sprintf Following the advice on kernel documentation https://www.kernel.org/doc/html/latest/filesystems/sysfs.html For show(device *...) functions we should only use sysfs_emit() or sysfs_emit_at() especially when formatting the value to be returned to user space. Convert snprintf() to sysfs_emit() Signed-off-by: Jules Irenge --- v2 - Combines the 4 previous patches into one drivers/hid/hid-roccat-kone.c | 12 ++++++------ drivers/hid/hid-roccat-koneplus.c | 4 ++-- drivers/hid/hid-roccat-kovaplus.c | 10 +++++----- drivers/hid/hid-roccat-pyra.c | 6 +++--- 4 files changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index 76da04801ca9..f0c35c05e702 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -403,7 +403,7 @@ static ssize_t kone_sysfs_show_actual_profile(struct device *dev, { struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_profile); + return sysfs_emit(buf, "%d\n", kone->actual_profile); } static DEVICE_ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL); @@ -412,7 +412,7 @@ static ssize_t kone_sysfs_show_actual_dpi(struct device *dev, { struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_dpi); + return sysfs_emit(buf, "%d\n", kone->actual_dpi); } static DEVICE_ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL); @@ -435,7 +435,7 @@ static ssize_t kone_sysfs_show_weight(struct device *dev, if (retval) return retval; - return snprintf(buf, PAGE_SIZE, "%d\n", weight); + return sysfs_emit(buf, "%d\n", weight); } static DEVICE_ATTR(weight, 0440, kone_sysfs_show_weight, NULL); @@ -444,7 +444,7 @@ static ssize_t kone_sysfs_show_firmware_version(struct device *dev, { struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kone->firmware_version); + return sysfs_emit(buf, "%d\n", kone->firmware_version); } static DEVICE_ATTR(firmware_version, 0440, kone_sysfs_show_firmware_version, NULL); @@ -454,7 +454,7 @@ static ssize_t kone_sysfs_show_tcu(struct device *dev, { struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.tcu); + return sysfs_emit(buf, "%d\n", kone->settings.tcu); } static int kone_tcu_command(struct usb_device *usb_dev, int number) @@ -556,7 +556,7 @@ static ssize_t kone_sysfs_show_startup_profile(struct device *dev, { struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.startup_profile); + return sysfs_emit(buf, "%d\n", kone->settings.startup_profile); } static ssize_t kone_sysfs_set_startup_profile(struct device *dev, diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 1896c69ea512..1635ddc7c3cf 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -244,7 +244,7 @@ static ssize_t koneplus_sysfs_show_actual_profile(struct device *dev, { struct koneplus_device *koneplus = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", koneplus->actual_profile); + return sysfs_emit(buf, "%d\n", koneplus->actual_profile); } static ssize_t koneplus_sysfs_set_actual_profile(struct device *dev, @@ -311,7 +311,7 @@ static ssize_t koneplus_sysfs_show_firmware_version(struct device *dev, &info, KONEPLUS_SIZE_INFO); mutex_unlock(&koneplus->koneplus_lock); - return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); + return sysfs_emit(buf, "%d\n", info.firmware_version); } static DEVICE_ATTR(firmware_version, 0440, koneplus_sysfs_show_firmware_version, NULL); diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c index 6fb9b9563769..7f6238a19739 100644 --- a/drivers/hid/hid-roccat-kovaplus.c +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -274,7 +274,7 @@ static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev, { struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile); + return sysfs_emit(buf, "%d\n", kovaplus->actual_profile); } static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev, @@ -327,7 +327,7 @@ static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev, { struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi); + return sysfs_emit(buf, "%d\n", kovaplus->actual_cpi); } static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL); @@ -336,7 +336,7 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev, { struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity); + return sysfs_emit(buf, "%d\n", kovaplus->actual_x_sensitivity); } static DEVICE_ATTR(actual_sensitivity_x, 0440, kovaplus_sysfs_show_actual_sensitivity_x, NULL); @@ -346,7 +346,7 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev, { struct kovaplus_device *kovaplus = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity); + return sysfs_emit(buf, "%d\n", kovaplus->actual_y_sensitivity); } static DEVICE_ATTR(actual_sensitivity_y, 0440, kovaplus_sysfs_show_actual_sensitivity_y, NULL); @@ -367,7 +367,7 @@ static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev, &info, KOVAPLUS_SIZE_INFO); mutex_unlock(&kovaplus->kovaplus_lock); - return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); + return sysfs_emit(buf, "%d\n", info.firmware_version); } static DEVICE_ATTR(firmware_version, 0440, kovaplus_sysfs_show_firmware_version, NULL); diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index 4fcc8e7d276f..8b4d2519d4c4 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -286,7 +286,7 @@ static ssize_t pyra_sysfs_show_actual_cpi(struct device *dev, { struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev->parent->parent)); - return snprintf(buf, PAGE_SIZE, "%d\n", pyra->actual_cpi); + return sysfs_emit(buf, "%d\n", pyra->actual_cpi); } static DEVICE_ATTR(actual_cpi, 0440, pyra_sysfs_show_actual_cpi, NULL); @@ -303,7 +303,7 @@ static ssize_t pyra_sysfs_show_actual_profile(struct device *dev, &settings, PYRA_SIZE_SETTINGS); mutex_unlock(&pyra->pyra_lock); - return snprintf(buf, PAGE_SIZE, "%d\n", settings.startup_profile); + return sysfs_emit(buf, "%d\n", settings.startup_profile); } static DEVICE_ATTR(actual_profile, 0440, pyra_sysfs_show_actual_profile, NULL); static DEVICE_ATTR(startup_profile, 0440, pyra_sysfs_show_actual_profile, NULL); @@ -324,7 +324,7 @@ static ssize_t pyra_sysfs_show_firmware_version(struct device *dev, &info, PYRA_SIZE_INFO); mutex_unlock(&pyra->pyra_lock); - return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version); + return sysfs_emit(buf, "%d\n", info.firmware_version); } static DEVICE_ATTR(firmware_version, 0440, pyra_sysfs_show_firmware_version, NULL);