From nobody Thu Apr 9 08:11:16 2026 Received: from mail.avm.de (mail.avm.de [212.42.244.120]) (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 EC9F14ADDA7; Tue, 10 Mar 2026 11:55:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.42.244.120 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773143765; cv=none; b=Hhi1ATX9ywsIdbaER9P362+5Aq8ApPQTeowHB5SA2sYF8czSF5Nj1xxU66jk42Slb0SNjLAvNetEnFe1imz+y2uhrh8Z41YocXkuNs02h1y3DMPmYdzU/UXD4kTEeByHwLptdXQlEdYDASphNgBdRZ25IyJFp876PBTRFwRhaLw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773143765; c=relaxed/simple; bh=iG/6Gbypjz2OmWQb0dXEIiFm2wHO3xZ/QJrRffJjoq0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=COFMx9ZI71ReOzSEE84+BC6im1PMaDcJ+Fjy556zlrHQRJLyYUXjF/Kk6VB0xPEo6+gjs/PGKi3VJptwX2pItghMDWTQ+Y3HZWADnaQovPhuhZJqDP8B1e3XuGD0IBZ6am1cqVocKBGv1uIQoBCJv0CwZFo2BveHnW37B797Npg= 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=g+N0/sgS; arc=none smtp.client-ip=212.42.244.120 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="g+N0/sgS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=avm.de; s=mail; t=1773143726; bh=iG/6Gbypjz2OmWQb0dXEIiFm2wHO3xZ/QJrRffJjoq0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=g+N0/sgSQ8SRQky5YcCPVvBqWjz0hDf6/mz5MXtIt5pp3nndKwnydeDBFFaGciw76 fK8hCsX2XQfm37mz50EiEfGo9ClFJDaFX6LRzTWB5+xeibMvG/0El8aLjh4dU3qpIV pdtzYGFmANh8kH/hW7lr12MBHwTlKf1PiSqCWud4= 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-b734-7f0000032729-7f000001c052-1 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 12:48:53 +0100 Subject: [PATCH 27/61] net/netlink: 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-v1-27-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: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman X-Developer-Signature: v=1; a=openpgp-sha256; l=1045; i=phahn-oss@avm.de; h=from:subject:message-id; bh=iG/6Gbypjz2OmWQb0dXEIiFm2wHO3xZ/QJrRffJjoq0=; b=owEBbQGS/pANAwAKATQtBlPRrKzbAcsmYgBpsAYxKX27oPhhgjZ9L2aN+uf2Pkd/lJuV0FZGx 7sT5NeXxfGJATMEAAEKAB0WIQQ5bPBtrWDUcDQCppg0LQZT0ays2wUCabAGMQAKCRA0LQZT0ays 2910CACA5AX3Aqq6mMRjUqWLJkwISGQ/SClIom7gyl5y4YdXmFh365btAW6CDMrujm4g2yYHKMn icMIaMalhr2gJPGai/SU/Cr5CZi3ZY+4gua5T+uq+HkP8vLsixdy6MzBKvC4YJ7SQ9u1y3suTJ2 dXw3LfFbSDyXJK4eAmt3Q9xLN+IDoqMq7+VyONJtkwZmjMDy5iHAJpd4FamMBrqSwy4GaDMKKm7 glgw85FRb142AMKifN1ghWcWZj4AIrKdQR8M3/bZ64Q5ElxSWaeaZ0coUuPBsdwn1welLaCtuOr MNnjMGoWnx945CHnVYBBpgGh+sR8NWsokX9o62B2ZLaEYpxG X-Developer-Key: i=phahn-oss@avm.de; a=openpgp; fpr=58AF7C2E007CDBE62C59E078F50EFDCF8AD04B1A X-purgate-ID: 149429::1773143724-DEDD0A3D-09A71CC5/0/0 X-purgate-type: clean X-purgate-size: 1047 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: "David S. Miller" To: Eric Dumazet To: Jakub Kicinski To: Paolo Abeni To: Simon Horman Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Philipp Hahn --- net/netlink/af_netlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 4d609d5cf40653e04de60f2d28ee26b8bdcdc2ed..58707b9da84adf1002ab9eff940= 1fa2083374189 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2667,7 +2667,7 @@ static void *netlink_seq_start(struct seq_file *seq, = loff_t *posp) =20 netlink_walk_start(iter); =20 - for (pos =3D *posp; pos && obj && !IS_ERR(obj); pos--) + for (pos =3D *posp; pos && !IS_ERR_OR_NULL(obj); pos--) obj =3D __netlink_seq_next(seq); =20 return obj; --=20 2.43.0