From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-174.mta1.migadu.com (out-174.mta1.migadu.com [95.215.58.174]) (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 61930239E9E for ; Mon, 3 Nov 2025 12:08:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762171702; cv=none; b=aXgiI5MBZUUO3KLhN118l6HFN8ahiuDCtV7D8Bj3+B28SrxubHMZr5sBF+4DLIPXC4/MwfLde4toB7GcedkqNXzeAOH4WeqMMzpqKTmF20EXArUquI8ssM30loeX9MgspebZrrJAsZUO88YZ+jKxddnK+vRQ3JvkGHV4OE7PqMA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762171702; c=relaxed/simple; bh=p0o2FuMMOcgdqopUEEms1lW5IVeru9s809ZoRQJpmL8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=cXCG2GCcKNzGPg7hLFQKXHec86Yo/e4Zh+alJY7MKZY/qvOIYXBifI7dFEFLd1ATL5m+sdCcyOsLbL4BsDd7cRGc8IWtOe1G14V4WQoGSGUGNYj1y22plZZndM38M8nmK2m4VzA00rUq0Dv0CpIlh0EolK/iv5ZBls9r55vTwNc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=vJBJX71R; arc=none smtp.client-ip=95.215.58.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="vJBJX71R" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1762171698; 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; bh=iGDcyq3Knv+D9H4bmNDRHk5OGsSqZ+1+mXD5MKk+UMY=; b=vJBJX71R9aAKiF3PidbLbVwzC+XRssvOjhRmD0dnAbdD7wDbMfGRZobZ4KNDyutbT+V82b IR23R7Mn6MiYig+eEndiZgPrVhCMc95HxoMD7mGW2j4UwypZb6fxXXC2Q/vx6Hwd6e4prX 0CS8ZySVrqA60EAV/dUqbte2UFj6d+c= From: Thorsten Blum To: Lee Jones , Pavel Machek Cc: Thorsten Blum , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] leds: led-class: Replace sprintf with sysfs_emit in sysfs show functions Date: Mon, 3 Nov 2025 13:08:09 +0100 Message-ID: <20251103120809.32834-1-thorsten.blum@linux.dev> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT Replace sprintf() with sysfs_emit() in sysfs show functions. sysfs_emit() is preferred to format sysfs output as it provides better bounds checking. No functional changes. Signed-off-by: Thorsten Blum --- drivers/leds/led-class.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index f3faf37f9a08..885399ed0776 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -38,7 +38,7 @@ static ssize_t brightness_show(struct device *dev, brightness = led_cdev->brightness; mutex_unlock(&led_cdev->led_access); - return sprintf(buf, "%u\n", brightness); + return sysfs_emit(buf, "%u\n", brightness); } static ssize_t brightness_store(struct device *dev, @@ -80,7 +80,7 @@ static ssize_t max_brightness_show(struct device *dev, max_brightness = led_cdev->max_brightness; mutex_unlock(&led_cdev->led_access); - return sprintf(buf, "%u\n", max_brightness); + return sysfs_emit(buf, "%u\n", max_brightness); } static DEVICE_ATTR_RO(max_brightness); @@ -122,7 +122,7 @@ static ssize_t brightness_hw_changed_show(struct device *dev, if (led_cdev->brightness_hw_changed == -1) return -ENODATA; - return sprintf(buf, "%u\n", led_cdev->brightness_hw_changed); + return sysfs_emit(buf, "%u\n", led_cdev->brightness_hw_changed); } static DEVICE_ATTR_RO(brightness_hw_changed); -- 2.51.1