From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 402CDFD064E for ; Wed, 11 Mar 2026 08:05:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 218BA10E7BF; Wed, 11 Mar 2026 08:04:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=avm.de header.i=@avm.de header.b="ZhZk+uUN"; dkim-atps=neutral Received: from mail.avm.de (mail.avm.de [212.42.244.119]) by gabe.freedesktop.org (Postfix) with ESMTPS id A2B4910E714; Tue, 10 Mar 2026 12:01:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=avm.de; s=mail; t=1773143724; bh=kiPG2WUM9IIy6uswgVTVvYBzahqCQdDF2WT1QCoS/Vw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ZhZk+uUNXnEjnXl3w1yfhkldMOPDqhhLXZDAMjGv1auPlOiTaiSmNuwae77r69zpo wcrpRdQM8a/BZjLbD65ntammcni0DoJ16RicrUwWgtwucTmCe9C/jdQpatxzC+dLyR 7BX2TKdOEfp7WLvyJKm7RVbstZgrWU81uOV3ziCw= Received: from [2001:bf0:244:244::71] (helo=mail.avm.de) by mail.avm.de with ESMTP (eXpurgate 4.55.2) (envelope-from ) id 69b006ac-2367-7f0000032729-7f0000019d32-1 for ; Tue, 10 Mar 2026 12:55:24 +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 12:55:24 +0100 (CET) From: Philipp Hahn Date: Tue, 10 Mar 2026 12:48:40 +0100 Subject: [PATCH 14/61] seq_file: Prefer IS_ERR_OR_NULL over manual NULL check MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260310-b4-is_err_or_null-v1-14-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: Alexander Viro , Christian Brauner , Jan Kara X-Developer-Signature: v=1; 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Change generated with coccinelle. To: Alexander Viro To: Christian Brauner To: Jan Kara Cc: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Philipp Hahn --- fs/seq_file.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/seq_file.c b/fs/seq_file.c index 4745db2a34d12b1084cb059a667c367f4fb56dad..da30cbd6485ca8eff6c2572eab10659c694387d2 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -226,7 +226,7 @@ ssize_t seq_read_iter(struct kiocb *iocb, struct iov_iter *iter) p = m->op->start(m, &m->index); while (1) { err = PTR_ERR(p); - if (!p || IS_ERR(p)) // EOF or an error + if (IS_ERR_OR_NULL(p)) // EOF or an error break; err = m->op->show(m, p); if (err < 0) // hard error @@ -266,7 +266,7 @@ ssize_t seq_read_iter(struct kiocb *iocb, struct iov_iter *iter) m->op->next); m->index++; } - if (!p || IS_ERR(p)) // no next record for us + if (IS_ERR_OR_NULL(p)) // no next record for us break; if (m->count >= iov_iter_count(iter)) break; -- 2.43.0