From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Philipp Hahn <phahn-oss@avm.de>
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Subject: Re: [PATCH 38/61] net: Prefer IS_ERR_OR_NULL over manual NULL check
Date: Wed, 11 Mar 2026 00:16:09 +0000 [thread overview]
Message-ID: <abC0Se_cstwTWp9r@shell.armlinux.org.uk> (raw)
In-Reply-To: <20260310-b4-is_err_or_null-v1-38-bd63b656022d@avm.de>
On Tue, Mar 10, 2026 at 12:49:04PM +0100, Philipp Hahn wrote:
> diff --git a/drivers/net/mdio/mdio-xgene.c b/drivers/net/mdio/mdio-xgene.c
> index a8f91a4b7fed0927ee14e408000cd3a2bfb9b09a..09b30b563295c6085dc1358ac361301e5cf6b2a8 100644
> --- a/drivers/net/mdio/mdio-xgene.c
> +++ b/drivers/net/mdio/mdio-xgene.c
> @@ -265,7 +265,7 @@ struct phy_device *xgene_enet_phy_register(struct mii_bus *bus, int phy_addr)
> struct phy_device *phy_dev;
>
> phy_dev = get_phy_device(bus, phy_addr, false);
> - if (!phy_dev || IS_ERR(phy_dev))
> + if (IS_ERR_OR_NULL(phy_dev))
As noted in reply to your cover message, the check for NULL here is
incorrect - get_phy_device() returns either a valid pointer or an
error pointer, but never NULL.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2026-03-11 0:16 UTC|newest]
Thread overview: 121+ 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
2026-03-11 8:29 ` Dominique Martinet
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) [this message]
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 ` [Intel-wired-lan] " Loktionov, Aleksandr
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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