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From: "Loktionov, Aleksandr" <aleksandr.loktionov@intel.com>
To: Philipp Hahn <phahn-oss@avm.de>,
	"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
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Cc: Alex Williamson <alex@shazbot.org>
Subject: RE: [Intel-wired-lan] [PATCH 46/61] vfio: Prefer IS_ERR_OR_NULL over manual NULL check
Date: Wed, 11 Mar 2026 09:25:32 +0000	[thread overview]
Message-ID: <IA3PR11MB8986D7F17B8E72F94006F48EE547A@IA3PR11MB8986.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20260310-b4-is_err_or_null-v1-46-bd63b656022d@avm.de>



> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf
> Of Philipp Hahn
> Sent: Tuesday, March 10, 2026 12:49 PM
> 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
> <phahn-oss@avm.de>
> Cc: Alex Williamson <alex@shazbot.org>
> Subject: [Intel-wired-lan] [PATCH 46/61] vfio: Prefer IS_ERR_OR_NULL
> over manual NULL check
> 
> Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL
> check.
> 
> Change generated with coccinelle.
> 
> To: Alex Williamson <alex@shazbot.org>
> Cc: kvm@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Philipp Hahn <phahn-oss@avm.de>
> ---
>  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..d71922dfde5885967398deddec3e
> 9e04b05adfec 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);
> 
> --
> 2.43.0

Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>

  parent reply	other threads:[~2026-03-11  9:25 UTC|newest]

Thread overview: 120+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-10 11:48 [PATCH 00/61] treewide: Use IS_ERR_OR_NULL over manual NULL check - refactor Philipp Hahn
2026-03-10 11:48 ` [PATCH 01/61] Coccinelle: Prefer IS_ERR_OR_NULL over manual NULL check Philipp Hahn
2026-03-10 15:41   ` Markus Elfring
2026-03-11 15:12   ` Markus Elfring
2026-03-10 11:48 ` [PATCH 02/61] btrfs: " Philipp Hahn
2026-03-13 19:22   ` David Sterba
2026-03-10 11:48 ` [PATCH 03/61] ceph: " Philipp Hahn
2026-03-10 18:13   ` Viacheslav Dubeyko
2026-03-11  8:16   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 04/61] ext4: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 05/61] smb: Prefer IS_ERR_OR_NULL over manual NULl check Philipp Hahn
2026-03-10 11:48 ` [PATCH 06/61] 9p: Prefer IS_ERR_OR_NULL over manual NULL check Philipp Hahn
2026-03-10 13:45   ` Christian Schoenebeck
2026-03-11  8:17   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 07/61] erofs: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 08/61] fuse: " Philipp Hahn
2026-03-11  8:18   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 09/61] ntfs3: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 10/61] gfs2: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 11/61] pstore: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 12/61] quota: " Philipp Hahn
2026-03-11  8:19   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-19 14:13   ` Jan Kara
2026-03-10 11:48 ` [PATCH 13/61] squashfs: " Philipp Hahn
2026-03-11  8:19   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 14/61] seq_file: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 15/61] trace: " Philipp Hahn
2026-03-10 14:07   ` Steven Rostedt
2026-03-11  5:13     ` Masami Hiramatsu
2026-03-11 14:03       ` Steven Rostedt
2026-03-11 14:06         ` Geert Uytterhoeven
2026-03-10 11:48 ` [PATCH 16/61] sched: " Philipp Hahn
2026-03-11  9:16   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 17/61] module: " Philipp Hahn
2026-03-10 14:45   ` Aaron Tomlin
2026-03-11  9:18   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 18/61] sound: " Philipp Hahn
2026-03-10 12:28   ` Mark Brown
2026-03-10 11:48 ` [PATCH 19/61] kvm: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 20/61] apparmor: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 21/61] lib/test: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 22/61] md: " Philipp Hahn
2026-03-11  9:19   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 23/61] net/ipv6: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 24/61] net/9p: " Philipp Hahn
2026-03-10 13:47   ` Christian Schoenebeck
2026-03-11  9:19   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 25/61] net/bluetooth: " Philipp Hahn
2026-03-10 13:55   ` Bastien Nocera
2026-03-11  9:21   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 26/61] net/core: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 27/61] net/netlink: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 28/61] net/sched: " Philipp Hahn
2026-03-11  9:22   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 29/61] net/sctp: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 30/61] net/sunrpc: " Philipp Hahn
2026-03-10 12:23   ` Jeff Layton
2026-03-10 13:23   ` Chuck Lever
2026-03-11  9:22   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:48 ` [PATCH 31/61] net/tipc: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 32/61] net/wireless: " Philipp Hahn
2026-03-10 11:48 ` [PATCH 33/61] mm: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 34/61] arch/arm: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 35/61] arch/mips: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 36/61] arch/sh: " Philipp Hahn
2026-03-11 13:15   ` Geert Uytterhoeven
2026-03-10 11:49 ` [PATCH 37/61] drm: " Philipp Hahn
2026-03-10 12:08   ` Christian König
2026-03-10 11:49 ` [PATCH 38/61] net: " Philipp Hahn
2026-03-10 15:07   ` [EXTERNAL] " Elad Nachman
2026-03-11  0:16   ` Russell King (Oracle)
2026-03-11  9:24   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-12 16:11   ` Przemek Kitszel
2026-03-10 11:49 ` [PATCH 39/61] irqchip: " Philipp Hahn
2026-03-11  9:24   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:49 ` [PATCH 40/61] phy: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 41/61] pinctrl: " Philipp Hahn
2026-03-11  9:32   ` Linus Walleij
2026-03-10 11:49 ` [PATCH 42/61] pmdomain: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 43/61] s390: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 44/61] target: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 45/61] thermal: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 46/61] vfio: " Philipp Hahn
2026-03-10 12:53   ` Pranjal Shrivastava
2026-03-11  9:25   ` Loktionov, Aleksandr [this message]
2026-03-16 22:10   ` Alex Williamson
2026-03-10 11:49 ` [PATCH 47/61] nfc: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 48/61] mtd: " Philipp Hahn
2026-03-12 19:33   ` Richard Weinberger
2026-03-10 11:49 ` [PATCH 49/61] media: " Philipp Hahn
2026-03-11  9:25   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-11 23:03   ` Kieran Bingham
2026-03-10 11:49 ` [PATCH 50/61] iommu: " Philipp Hahn
2026-03-11  9:26   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-16 13:30   ` Robin Murphy
2026-03-10 11:49 ` [PATCH 51/61] leds: " Philipp Hahn
2026-03-10 13:33   ` (subset) " Lee Jones
2026-03-10 11:49 ` [PATCH 52/61] gpib: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 53/61] hyperv: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 54/61] aoe: " Philipp Hahn
2026-03-11  9:26   ` [Intel-wired-lan] " Loktionov, Aleksandr
2026-03-10 11:49 ` [PATCH 55/61] interconnect: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 56/61] clk: " Philipp Hahn
2026-03-10 13:21   ` Brian Masney
2026-03-11  2:07   ` Chen-Yu Tsai
2026-03-10 11:49 ` [PATCH 57/61] reset: " Philipp Hahn
2026-03-10 12:43   ` Philipp Zabel
2026-03-11  4:59   ` Masami Hiramatsu
2026-03-10 11:49 ` [PATCH 58/61] arch/x86: " Philipp Hahn
2026-03-10 11:49 ` [PATCH 59/61] debugobjects: Drop likely() around !IS_ERR_OR_NULL() Philipp Hahn
2026-03-10 11:49 ` [PATCH 60/61] Input alps: Drop unlikely() around IS_ERR_OR_NULL() Philipp Hahn
2026-03-10 11:49 ` [PATCH 61/61] file: " Philipp Hahn
2026-03-10 12:23   ` Jeff Layton
2026-03-10 14:14 ` [PATCH 00/61] treewide: Use IS_ERR_OR_NULL over manual NULL check - refactor Steven Rostedt
2026-03-10 14:23 ` Theodore Tso
2026-03-10 18:40 ` Kuan-Wei Chiu
2026-03-12 12:57   ` Jason Gunthorpe
2026-03-12 15:32     ` James Bottomley
2026-03-12 16:54       ` Jason Gunthorpe
2026-03-11  0:09 ` Russell King (Oracle)

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