From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACCC639936A for ; Tue, 10 Mar 2026 12:54:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773147252; cv=none; b=Zy9FW4Ck5/sxWhDR8bUZlHOGRKigmqv554vbY+Zbs+lDmH+DX7ebOMbjJq98Ek/aLXPqxg+4+cH7kh2so3q6TCxy6JpvyfvpwMWxcdO3RsngFI7fUfl2NRr6T10iDkoCVLeRBI+gtSZqhgg6BJQ4ot3L/p3jYpqZ1UjUWvmW86Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773147252; c=relaxed/simple; bh=TgoJchP8+G/BTHDKgmEWupOwORUqE0/FZPIUEYu9Z9g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=asfQ/K/ent1JbF/QutyLNIJLFI1Rzhz775m9ZJZbgaWcVPtV8KOaNfkkp9tzFWvKDl2H2CKdD4hahAk/2CW1O7lQEmm7nReHUVaVegm9iOzV+N94L+PiOIDhG0fQ1+QY32opExhQvfxMP3PzHukA4h96JAP56dXmHCqWtojgLWA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=0+cOK+VW; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="0+cOK+VW" Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-2aeab6ff148so1445ad.1 for ; Tue, 10 Mar 2026 05:54:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1773147248; x=1773752048; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=mm6hm+LHoMGo5Ew01sq1dP9YSITnoqIDxYFDqmtgvh0=; b=0+cOK+VWVXA7uE31Sh5y2bmP9hRSr0LFsM2f3kDgfCZ6lyHaVbAytIQCv+2vF+eTEx oUic6e9ZAVnZqnGzIPB8kHUyMA2zwpMw5U/9RUdKEhoG2/xX9/VKIHC9XNEBOVXeDKo9 mU/QEMBf02iFKn4H5erDKYU3pW/pqjbI7j+6ZcB0Qt9z/KGqBlkshVJTzzKx2oXtAxlL E18h73O/s3dn+xBEwK308w7agQS5m2RYZzHNrLUdhfdZKeG/e+Dr27X21QpoIwd1KCAl PxttLdZl6PZf2goM/cRw6Bbw12/00xnTFdgSr8ytAWjU88JMxI5kTd4reOjRdKpNjh+N Ix/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773147248; x=1773752048; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=mm6hm+LHoMGo5Ew01sq1dP9YSITnoqIDxYFDqmtgvh0=; b=j7mtbS4/mTra7wxzff7sa9kyme5lJ25rw+ZLWtDLBGeZP0XuDI4XL3RcQmdJ8N68Xb n31HA+SD4/AKFVDtlpxV6vRYZstwxk9CXhuibz7jKstISUfMt8lBXDGCSh/P13yaOcrP CylPklt8XrIJSlRLsYuG96Wgur0+mzsJN2eyOvP4s6Bibz1BF/CVWRBQJJ83UqjloOVL 6i1XqRLK2EUYUE3KFeEgMg+L39nOLPYiREK7Bdv2pU4mf4fTijuO68A/wlp2Nd/d0nQW euPrxR9hnW5Lff9L0LTzwsH1ThdcTVjqdcoIYCqLfHPU8yuwN9F5siULjHPK5CbnJF3D hoUw== X-Forwarded-Encrypted: i=1; AJvYcCWl3DUvk0WoDQMNPoGo9Ko+30Z4nK5yDIaGRuooVBStHC+b+4bKAd+b8on6byMoYUaB4dsMpTl5y4n0yw==@vger.kernel.org X-Gm-Message-State: AOJu0Yz1OGazq4feLqSYIaTOgaGenSb9IUOaGHqLZEQytOJSbFB+GktA y4HqejGqkPSy5XtEyghtKVYfKF9wcZa79jXriktNUiX6loVc+PPNxO+KCsdIAqn9Ag== X-Gm-Gg: ATEYQzwm+PF9mD2IQJNWGIPTFOKqXGLt85MZrpxCwtegvFixtu/AkE2VXzbuZgLg9nb nDLPvezv9pbIG0zvtO1nwIcLvCCsxafTW8WwUIowtOF6m/fGr3uINxax2UUBM87+h+zpTVGoYhg kHavsUEUf05PWnY0wSTdcPDcoOAB1+0ITZ0/yJOMaAjxDSBbn8s9e4Bk2EFEBGeT11mVNiSGeVn ijV4LG+1nOvFURojFWX3fn117CfkOZJWbO8OXY2qQuSiTzNXIBwOxq+7+Uzp0cIGNly2dJvgURm qzaHrRs9drzYjYyC7fh+xwe8dFNxsmGxKhiYWV0vFlXq4NElStghb+MwOvd5Y6jeNIU/4Txm+BI iQxWgmQoEp7BikUQWhH4weuYLaLwb6TA248JB6Nzen/Opwc9QC+CvBqL55oZxakBlVt+3cbUJql SpBgLHgOapBsn5rPIk5vuyapG1IfcD2JROoI2v2fnciBylIVKOwdegBGAYfw== X-Received: by 2002:a17:902:ebd2:b0:2ae:45bb:bc4e with SMTP id d9443c01a7336-2aea30ebe48mr3008685ad.24.1773147247400; Tue, 10 Mar 2026 05:54:07 -0700 (PDT) Received: from google.com (10.129.124.34.bc.googleusercontent.com. [34.124.129.10]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c739e0cb73dsm12445679a12.11.2026.03.10.05.53.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2026 05:54:06 -0700 (PDT) Date: Tue, 10 Mar 2026 12:53:54 +0000 From: Pranjal Shrivastava To: Philipp Hahn Cc: 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, Alex Williamson Subject: Re: [PATCH 46/61] vfio: Prefer IS_ERR_OR_NULL over manual NULL check Message-ID: References: <20260310-b4-is_err_or_null-v1-0-bd63b656022d@avm.de> <20260310-b4-is_err_or_null-v1-46-bd63b656022d@avm.de> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260310-b4-is_err_or_null-v1-46-bd63b656022d@avm.de> On Tue, Mar 10, 2026 at 12:49:12PM +0100, Philipp Hahn wrote: > Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL > check. > > Change generated with coccinelle. > > To: Alex Williamson > Cc: kvm@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Philipp Hahn > --- > drivers/vfio/vfio_main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c > index 742477546b15d4dbaf9ebcfb2e67627db71521e0..d71922dfde5885967398deddec3e9e04b05adfec 100644 > --- a/drivers/vfio/vfio_main.c > +++ b/drivers/vfio/vfio_main.c > @@ -923,7 +923,7 @@ vfio_ioctl_device_feature_mig_device_state(struct vfio_device *device, > > /* Handle the VFIO_DEVICE_FEATURE_SET */ > filp = device->mig_ops->migration_set_state(device, mig.device_state); > - if (IS_ERR(filp) || !filp) > + if (IS_ERR_OR_NULL(filp)) > goto out_copy; > > return vfio_ioct_mig_return_fd(filp, arg, &mig); > Reviewed-by: Pranjal Shrivastava The cleanup alone looks fine, but I'm not sure if the maintainers would be happy about the tree-wide spam, since each patch might go through a different tree. I'd wait for Alex's preference/ack on that. Thanks, Praan