From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 8084A32E692; Fri, 27 Mar 2026 10:27:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774607256; cv=none; b=GMDMBbg6PDIrLaiT6bf9bezIcTTs+1ksjIs02Uy5E9ebrEKK2GQHJaMtXjMqSz/H5LB8MbhjAxyaAJ7o/9LsQeTXl3Ugq4mniu9jmVtG2ft83b+penldImh1D4S8qcWMOpVGser926CJ+w16Wao6MgskirY/z+8HYU52qSEXC/Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774607256; c=relaxed/simple; bh=RdAmQHZtejp8bSyBKfDlAjct6NaqMd7FXuFd+2c9C3Y=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ViW6ZogMsDbuugwJutrBBDgfpr5JC0P2+XgBCMoShSJ4ollnSD41rF6fFAlwWidau+EN+SqRTU79mUFz9NNO8W4+P0yBkpRaVB29XCYjcyD9RcL8566Ujy2xX9VHrlu4TuOvBKh8+oSXjMcbgLFkAeBYWwiTGE1MCNyIRItmcAU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=BYzeb1QZ; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="BYzeb1QZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774607254; x=1806143254; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=RdAmQHZtejp8bSyBKfDlAjct6NaqMd7FXuFd+2c9C3Y=; b=BYzeb1QZl5q7Dn7AmoLNL/SrRpj/bHEcilAwNWcOZQAYYvoYLGi/NZv5 EEMVvqr4ZkTuYTzYFsh2amFJ42ytwIruBKG1WPD5Xx/wbxDfFfJbJbKRX SueRZnwcm3jqcXvxEp5R6RC3bCEAQBE8v4plLa4TAEQHbM2HFd2oGjq9W P+N13f3yk+5Qz0UK3sxAzAIlHRdqfQkCTVirJUJ1kgcikPd+NtsD1Lh+S CN6YxkAM5eJSobevacWQcygttt5VU63qLGCUcyoF1UTcQNV6oWS00H9M8 6flW01yUdBhZWVSmHa667fZO4lZqxNOjGbvR1ZhDmZHCyuqCRXrSDt0bg A==; X-CSE-ConnectionGUID: tLvXqlYoT5atplR/8XFyyg== X-CSE-MsgGUID: qVjSibCjS0qu7xehjDnqQg== X-IronPort-AV: E=McAfee;i="6800,10657,11741"; a="75793748" X-IronPort-AV: E=Sophos;i="6.23,143,1770624000"; d="scan'208";a="75793748" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 03:27:33 -0700 X-CSE-ConnectionGUID: Pl8xfCdkQ3eJs25S0DO/RQ== X-CSE-MsgGUID: lMGFBEuCT5GzYb/UJN09+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,143,1770624000"; d="scan'208";a="229360822" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa003.jf.intel.com with ESMTP; 27 Mar 2026 03:27:32 -0700 Received: by black.igk.intel.com (Postfix, from userid 1003) id B508898; Fri, 27 Mar 2026 11:27:30 +0100 (CET) From: Andy Shevchenko To: Hans de Goede , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Lee Jones , Pavel Machek , Andy Shevchenko Subject: [PATCH v1 1/1] leds: class: Make led_remove_lookup() NULL-aware Date: Fri, 27 Mar 2026 11:27:29 +0100 Message-ID: <20260327102729.797254-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit It is a usual pattern in the kernel to make releasing functions be NULL-aware so they become a no-op. This helps reducing unneeded checks in the code where the given resource is optional. Signed-off-by: Andy Shevchenko --- drivers/leds/led-class.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index d34a19453560..172fc44bb602 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -421,6 +421,9 @@ EXPORT_SYMBOL_GPL(led_add_lookup); */ void led_remove_lookup(struct led_lookup_data *led_lookup) { + if (!led_lookup) + return; + mutex_lock(&leds_lookup_lock); list_del(&led_lookup->list); mutex_unlock(&leds_lookup_lock); -- 2.50.1