From patchwork Wed Aug 28 12:20:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongbo Li X-Patchwork-Id: 823242 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) (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 EC1E7172BDC for ; Wed, 28 Aug 2024 12:12:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.189 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724847161; cv=none; b=JvaA34IfrH6X521FiMdPEVfsMoVjl8M8he1WDX4E807eeVV5TDsMSCzY2c7D8AvroiLxXnavnsQ+/laPk6UtVUSBMoNMKBScOyPNYiHvSMdtO+Mym2ZpNDy/oMDG+yf1sINZJ5i1vZg+3Eq+oyo9ZzIB7BUhPhztlzJwFDlQCtY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724847161; c=relaxed/simple; bh=mtSC2GoiVFqJfoApUM6Up5VML7pC7ADPMB/r81Yt2E0=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Jzo94vXV8zGagk/3VgSVABvI+u6p/jiZJKzuR1FbK+OfwU8t09D233u5J/dZCeDCyVEMK/rG9v1Y578bvzClSmYwK5NgX5F9/c5KHunERAjSAKi7Ksla8vYsZKXMcWIWrx2oEqZH9hUcDrWrZ0+q4GMH/GzUr7T4zEvAwuzQ8Ys= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Wv3836Yj2zQqtW; Wed, 28 Aug 2024 20:07:47 +0800 (CST) Received: from dggpeml500022.china.huawei.com (unknown [7.185.36.66]) by mail.maildlp.com (Postfix) with ESMTPS id C3936180AE6; Wed, 28 Aug 2024 20:12:37 +0800 (CST) Received: from huawei.com (10.90.53.73) by dggpeml500022.china.huawei.com (7.185.36.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 28 Aug 2024 20:12:37 +0800 From: Hongbo Li To: , CC: , Subject: [PATCH -next] gpio: Use IS_ERR_OR_NULL() helper function Date: Wed, 28 Aug 2024 20:20:39 +0800 Message-ID: <20240828122039.3697037-1-lihongbo22@huawei.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpeml500022.china.huawei.com (7.185.36.66) Use the IS_ERR_OR_NULL() helper instead of open-coding a NULL and an error pointer checks to simplify the code and improve readability. No functional changes are intended. Signed-off-by: Hongbo Li --- drivers/gpio/gpiolib.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 3903d0a75304..de425db71111 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -356,7 +356,7 @@ int gpiod_get_direction(struct gpio_desc *desc) * We cannot use VALIDATE_DESC() as we must not return 0 for a NULL * descriptor like we usually do. */ - if (!desc || IS_ERR(desc)) + if (IS_ERR_OR_NULL(desc)) return -EINVAL; CLASS(gpio_chip_guard, guard)(desc); @@ -3591,7 +3591,7 @@ int gpiod_to_irq(const struct gpio_desc *desc) * requires this function to not return zero on an invalid descriptor * but rather a negative error number. */ - if (!desc || IS_ERR(desc)) + if (IS_ERR_OR_NULL(desc)) return -EINVAL; gdev = desc->gdev;