From nobody Thu Apr 9 07:58:01 2026 Received: from mail.avm.de (mail.avm.de [212.42.244.94]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ED27C495511; Tue, 10 Mar 2026 11:55:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.42.244.94 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773143765; cv=none; b=OOwNQwMb3AhpRbTg950A1Zj3QQ+Rbz/rchgAyX9ghdIetGphOtNgpFePi9eLgDL5f5gI6KO5f0+fOnj9cPmWaIHyv9MnSjLkgykJZ6esintQKW2+QX2o7RyGqc3VTYqb9QTYRwRJ0FyuS1psMEnnWycg5SvvDR13tLB3yPQy838= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773143765; c=relaxed/simple; bh=P8RHvB1pDU6Ba6KZR0cIN2NAbDWAknWQIRz8JMX8gns=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ff1VZlQ6OTfWDGkqcvU36LILgf03tdsFZvltywUhEjFbpgVZfcg6gJafOG/qvjO8cvrFAqglS0moHbC2fLuss4uksh/kNffBSQaY9eOyTh0dm3Np7J7wM4hi537QO4l+yRpAokflIpB/lEo8FeFkdpS+ZmKmsk+ODzbUaAUomVk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=avm.de; spf=pass smtp.mailfrom=avm.de; dkim=pass (1024-bit key) header.d=avm.de header.i=@avm.de header.b=Pw5J/ZKa; arc=none smtp.client-ip=212.42.244.94 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=avm.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=avm.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=avm.de header.i=@avm.de header.b="Pw5J/ZKa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=avm.de; s=mail; t=1773143728; bh=P8RHvB1pDU6Ba6KZR0cIN2NAbDWAknWQIRz8JMX8gns=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=Pw5J/ZKa7qdOD/KHliFHGAPgoeYPtxmoMsaCQF/FKai+LG5vkmyJowXsEzkD3cPot 34kvrGSUxg1JnjFKHY6NsLgrOVug3M9Be4rVveawRMrk6MR1C1BR6jP8hIlA4X3hU4 jr1s0kl9i2R1ifgZ0ZoS8j1AZYiWtKMhO7fCyfSs= Received: from [2001:bf0:244:244::71] (helo=mail.avm.de) by mail.avm.de with ESMTP (eXpurgate 4.55.2) (envelope-from ) id 69b006af-e21d-7f0000032729-7f000001bab8-1 for ; Tue, 10 Mar 2026 12:55:28 +0100 Received: from mail-auth.avm.de (dovecot-mx-01.avm.de [IPv6:2001:bf0:244:244::71]) by mail.avm.de (Postfix) with ESMTPS; Tue, 10 Mar 2026 12:55:27 +0100 (CET) From: Philipp Hahn Date: Tue, 10 Mar 2026 12:49:14 +0100 Subject: [PATCH 48/61] mtd: Prefer IS_ERR_OR_NULL over manual NULL check Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260310-b4-is_err_or_null-v1-48-bd63b656022d@avm.de> References: <20260310-b4-is_err_or_null-v1-0-bd63b656022d@avm.de> In-Reply-To: <20260310-b4-is_err_or_null-v1-0-bd63b656022d@avm.de> To: amd-gfx@lists.freedesktop.org, apparmor@lists.ubuntu.com, bpf@vger.kernel.org, ceph-devel@vger.kernel.org, cocci@inria.fr, dm-devel@lists.linux.dev, dri-devel@lists.freedesktop.org, gfs2@lists.linux.dev, intel-gfx@lists.freedesktop.org, intel-wired-lan@lists.osuosl.org, iommu@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-cifs@vger.kernel.org, linux-clk@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, linux-media@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nfs@vger.kernel.org, linux-omap@vger.kernel.org, linux-phy@lists.infradead.org, linux-pm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-sctp@vger.kernel.org, linux-security-module@vger.kernel.org, linux-sh@vger.kernel.org, linux-sound@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-trace-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, ntfs3@lists.linux.dev, samba-technical@lists.samba.org, sched-ext@lists.linux.dev, target-devel@vger.kernel.org, tipc-discussion@lists.sourceforge.net, v9fs@lists.linux.dev, Philipp Hahn Cc: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra X-Developer-Signature: v=1; a=openpgp-sha256; l=1817; i=phahn-oss@avm.de; h=from:subject:message-id; bh=P8RHvB1pDU6Ba6KZR0cIN2NAbDWAknWQIRz8JMX8gns=; b=kA0DAAoBNC0GU9GsrNsByyZiAGmwBnnIluZqwXeZ26oYYynjfBoy02QQTmlYcSsBV5M99kkBR okBMwQAAQoAHRYhBDls8G2tYNRwNAKmmDQtBlPRrKzbBQJpsAZ5AAoJEDQtBlPRrKzbhhQIALOH 7GGUb7lDbOgP/8xq1PNX4SyEuog4C5Kqug0EL27yDZ5DTcHtYtEWvTOVFh3DoBIg9oWZIhltbqf zQqvypi0p020OQBz5OD/FKYzR1JLtT/NpVkDjTnrh0FIsLPISsJn9k8DorrTpQE5Fk5zPEGhmlk HlvpEuSvvQD0MQibzxJjUYSjgq+Ll386Twc/QQfm3hFYZT/c4I4Yb80f4z0CM2WhT7S3udW5nGM BjGFdYImnQ9uAgWz45BEBVAwZb3P7349MoFLUJ9ZHvqc+4UOIWn+5d35lrOEZcvkJpfol2G0RFZ WFsYepS2AbdMtsza99K9TLlncKCIQLIaXnPIWJM= X-Developer-Key: i=phahn-oss@avm.de; a=openpgp; fpr=58AF7C2E007CDBE62C59E078F50EFDCF8AD04B1A X-purgate-ID: 149429::1773143728-90660F2F-3D7E05AD/0/0 X-purgate-type: clean X-purgate-size: 1819 X-purgate-Ad: Categorized by eleven eXpurgate (R) https://www.eleven.de X-purgate: This mail is considered clean (visit https://www.eleven.de for further information) X-purgate: clean Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL check. Change generated with coccinelle. To: Miquel Raynal To: Richard Weinberger To: Vignesh Raghavendra Cc: linux-mtd@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Philipp Hahn --- drivers/mtd/nand/raw/gpio.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/raw/gpio.c b/drivers/mtd/nand/raw/gpio.c index 69e5e43532a448aa6273f3df79f53145784ccc05..86a8b62fb9e8510d36f925b8b46= 8ec17c77e26d8 100644 --- a/drivers/mtd/nand/raw/gpio.c +++ b/drivers/mtd/nand/raw/gpio.c @@ -276,9 +276,9 @@ static void gpio_nand_remove(struct platform_device *pd= ev) nand_cleanup(chip); =20 /* Enable write protection and disable the chip */ - if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp)) + if (!IS_ERR_OR_NULL(gpiomtd->nwp)) gpiod_set_value(gpiomtd->nwp, 0); - if (gpiomtd->nce && !IS_ERR(gpiomtd->nce)) + if (!IS_ERR_OR_NULL(gpiomtd->nce)) gpiod_set_value(gpiomtd->nce, 0); } =20 @@ -358,7 +358,7 @@ static int gpio_nand_probe(struct platform_device *pdev) platform_set_drvdata(pdev, gpiomtd); =20 /* Disable write protection, if wired up */ - if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp)) + if (!IS_ERR_OR_NULL(gpiomtd->nwp)) gpiod_direction_output(gpiomtd->nwp, 1); =20 /* @@ -381,10 +381,10 @@ static int gpio_nand_probe(struct platform_device *pd= ev) return 0; =20 err_wp: - if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp)) + if (!IS_ERR_OR_NULL(gpiomtd->nwp)) gpiod_set_value(gpiomtd->nwp, 0); out_ce: - if (gpiomtd->nce && !IS_ERR(gpiomtd->nce)) + if (!IS_ERR_OR_NULL(gpiomtd->nce)) gpiod_set_value(gpiomtd->nce, 0); =20 return ret; --=20 2.43.0