From patchwork Mon Mar 28 11:52:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 12793469 X-Patchwork-Delegate: kuba@kernel.org 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 519B4C43217 for ; Mon, 28 Mar 2022 11:55:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241977AbiC1L4o (ORCPT ); Mon, 28 Mar 2022 07:56:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241638AbiC1L4X (ORCPT ); Mon, 28 Mar 2022 07:56:23 -0400 Received: from ssl.serverraum.org (ssl.serverraum.org [176.9.125.105]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B58D3F8B5; Mon, 28 Mar 2022 04:52:35 -0700 (PDT) Received: from mwalle01.kontron.local. (unknown [213.135.10.150]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id C669122248; Mon, 28 Mar 2022 13:52:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1648468354; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3D7PvrkDUr5KTDJzMRa0QSPBaiykrSuh7utJ8QFltts=; b=EwkhqNdABJgZFfNlsZEAHy9TxvWFikceBuWAokZphoGci+5ZVCk7Sw8LZRJSGbK0eBOKr+ XBrnRRygZScBx3NIQeBsQt/sCWJLVjFYzUhOJRE3iZi3tblWfwVp6GuGLWM2lgXWZZvrfi 0OLdx2/vBRlsHWaDDDnUOR7Ta3IQhHs= From: Michael Walle To: Xu Yilun , Tom Rix , Jean Delvare , Guenter Roeck , Andrew Lunn , Heiner Kallweit , Russell King , "David S . Miller" , Jakub Kicinski , Paolo Abeni Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Michael Walle Subject: [PATCH v1 1/2] hwmon: introduce hwmon_sanitize_name() Date: Mon, 28 Mar 2022 13:52:25 +0200 Message-Id: <20220328115226.3042322-2-michael@walle.cc> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220328115226.3042322-1-michael@walle.cc> References: <20220328115226.3042322-1-michael@walle.cc> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org More and more drivers will check for bad characters in the hwmon name and all are using the same code snippet. Consolidate that code by adding a new hwmon_sanitize_name() function. Signed-off-by: Michael Walle --- drivers/hwmon/intel-m10-bmc-hwmon.c | 5 +---- include/linux/hwmon.h | 16 ++++++++++++++++ 2 files changed, 17 insertions(+), 4 deletions(-) diff --git a/drivers/hwmon/intel-m10-bmc-hwmon.c b/drivers/hwmon/intel-m10-bmc-hwmon.c index 7a08e4c44a4b..e6e55fc30153 100644 --- a/drivers/hwmon/intel-m10-bmc-hwmon.c +++ b/drivers/hwmon/intel-m10-bmc-hwmon.c @@ -515,7 +515,6 @@ static int m10bmc_hwmon_probe(struct platform_device *pdev) struct intel_m10bmc *m10bmc = dev_get_drvdata(pdev->dev.parent); struct device *hwmon_dev, *dev = &pdev->dev; struct m10bmc_hwmon *hw; - int i; hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL); if (!hw) @@ -532,9 +531,7 @@ static int m10bmc_hwmon_probe(struct platform_device *pdev) if (!hw->hw_name) return -ENOMEM; - for (i = 0; hw->hw_name[i]; i++) - if (hwmon_is_bad_char(hw->hw_name[i])) - hw->hw_name[i] = '_'; + hwmon_sanitize_name(hw->hw_name); hwmon_dev = devm_hwmon_device_register_with_info(dev, hw->hw_name, hw, &hw->chip, NULL); diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index eba380b76d15..210b8c0b2827 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -484,4 +484,20 @@ static inline bool hwmon_is_bad_char(const char ch) } } +/** + * hwmon_sanitize_name - Replaces invalid characters in a hwmon name + * @name: NUL-terminated name + * + * Invalid characters in the name will be overwritten in-place by an + * underscore. + */ +static inline void hwmon_sanitize_name(char *name) +{ + while (*name) { + if (hwmon_is_bad_char(*name)) + *name = '_'; + name++; + }; +} + #endif