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 DA5AEFD064F for ; Wed, 11 Mar 2026 08:04:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E20910E382; Wed, 11 Mar 2026 08:04:39 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=avm.de header.i=@avm.de header.b="NQWcwkCO"; dkim-atps=neutral Received: from mail.avm.de (mail.avm.de [212.42.244.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0530310E24D; Tue, 10 Mar 2026 12:05:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=avm.de; s=mail; t=1773143727; bh=+XsCLvfG0yRq7Clc+S6vXeLkWzACx5pWWBTw1PU8u30=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=NQWcwkCO5Yf5aFU0Fr+hSnIE5j/fbQz1ZZ6kLAVpTNGfPh7umHqxt9pFFOy6bAroX RBLvd0qLA99dtqQiGKYjsTOTfTZlUhx6yNiXQHG8dQ5sdIeNL7CirLYAhT5AwBd36o YiESNxlbhaOWr4PVxOJfomk8wbeHNmFvrkSTOpuc= 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-b734-7f0000032729-7f0000019c1c-1 for ; Tue, 10 Mar 2026 12:55:27 +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 12:49:16 +0100 Subject: [PATCH 50/61] iommu: 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-v1-50-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: Joerg Roedel , Will Deacon , Robin Murphy X-Developer-Signature: v=1; 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Change generated with coccinelle. To: Joerg Roedel To: Will Deacon To: Robin Murphy Cc: iommu@lists.linux.dev Cc: linux-kernel@vger.kernel.org Signed-off-by: Philipp Hahn --- drivers/iommu/omap-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 8231d7d6bb6a9202025643639a6b28e6faa84659..500a42b57a997696ff37c76f028a717ab71d01f9 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -881,7 +881,7 @@ static int omap_iommu_attach(struct omap_iommu *obj, u32 *iopgd) **/ static void omap_iommu_detach(struct omap_iommu *obj) { - if (!obj || IS_ERR(obj)) + if (IS_ERR_OR_NULL(obj)) return; spin_lock(&obj->iommu_lock); -- 2.43.0