RE: [Intel-wired-lan] [PATCH 08/61] fuse: Prefer IS_ERR_OR_NULL over manual NULL check

From: Loktionov, Aleksandr

Date: Wed Mar 11 2026 - 04:25:27 EST




> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@xxxxxxxxxx> On Behalf
> Of Philipp Hahn
> Sent: Tuesday, March 10, 2026 12:49 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; apparmor@xxxxxxxxxxxxxxxx;
> bpf@xxxxxxxxxxxxxxx; ceph-devel@xxxxxxxxxxxxxxx; cocci@xxxxxxxx; dm-
> devel@xxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx;
> gfs2@xxxxxxxxxxxxxxx; intel-gfx@xxxxxxxxxxxxxxxxxxxxx; intel-wired-
> lan@xxxxxxxxxxxxxxxx; iommu@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-block@xxxxxxxxxxxxxxx;
> linux-bluetooth@xxxxxxxxxxxxxxx; linux-btrfs@xxxxxxxxxxxxxxx; linux-
> cifs@xxxxxxxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx; linux-
> erofs@xxxxxxxxxxxxxxxx; linux-ext4@xxxxxxxxxxxxxxx; linux-
> fsdevel@xxxxxxxxxxxxxxx; linux-gpio@xxxxxxxxxxxxxxx; linux-
> hyperv@xxxxxxxxxxxxxxx; linux-input@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-leds@xxxxxxxxxxxxxxx; linux-
> media@xxxxxxxxxxxxxxx; linux-mips@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx;
> linux-modules@xxxxxxxxxxxxxxx; linux-mtd@xxxxxxxxxxxxxxxxxxx; linux-
> nfs@xxxxxxxxxxxxxxx; linux-omap@xxxxxxxxxxxxxxx; linux-
> phy@xxxxxxxxxxxxxxxxxxx; linux-pm@xxxxxxxxxxxxxxx; linux-
> rockchip@xxxxxxxxxxxxxxxxxxx; linux-s390@xxxxxxxxxxxxxxx; linux-
> scsi@xxxxxxxxxxxxxxx; linux-sctp@xxxxxxxxxxxxxxx; linux-security-
> module@xxxxxxxxxxxxxxx; linux-sh@xxxxxxxxxxxxxxx; linux-
> sound@xxxxxxxxxxxxxxx; linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx;
> linux-trace-kernel@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; linux-
> wireless@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx;
> ntfs3@xxxxxxxxxxxxxxx; samba-technical@xxxxxxxxxxxxxxx; sched-
> ext@xxxxxxxxxxxxxxx; target-devel@xxxxxxxxxxxxxxx; tipc-
> discussion@xxxxxxxxxxxxxxxxxxxxx; v9fs@xxxxxxxxxxxxxxx; Philipp Hahn
> <phahn-oss@xxxxxx>
> Cc: Miklos Szeredi <miklos@xxxxxxxxxx>
> Subject: [Intel-wired-lan] [PATCH 08/61] fuse: 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: Miklos Szeredi <miklos@xxxxxxxxxx>
> Cc: linux-fsdevel@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Philipp Hahn <phahn-oss@xxxxxx>
> ---
> fs/fuse/dir.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index
> 7ac6b232ef12323e3afb97b98301f623bce917a4..7b39c013027bd9c4ba6f080bfc9b
> 3ec22bc2dd4a 100644
> --- a/fs/fuse/dir.c
> +++ b/fs/fuse/dir.c
> @@ -1599,7 +1599,7 @@ int fuse_reverse_inval_entry(struct fuse_conn
> *fc, u64 parent_nodeid,
> goto put_parent;
> while (!entry) {
> struct dentry *child = try_lookup_noperm(name, dir);
> - if (!child || IS_ERR(child))
> + if (IS_ERR_OR_NULL(child))
> goto put_parent;
> entry = start_removing_dentry(dir, child);
> dput(child);
>
> --
> 2.43.0

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