Re: [cocci] [PATCH 17/61] module: Prefer IS_ERR_OR_NULL over manual NULL check
Aaron Tomlin <[email protected]> Tue, 10 Mar 2026 10:45:35 -0400
| Newsgroups | fr.inria.cocci,dev.linux.lists.dm-devel,dev.linux.lists.gfs2,dev.linux.lists.iommu,dev.linux.lists.ntfs3,dev.linux.lists.sched-ext,dev.linux.lists.v9fs,org.freedesktop.lists.amd-gfx,org.freedesktop.lists.dri-devel,org.freedesktop.lists.intel-gfx,org.infradead.lists.linux-mtd,org.infradead.lists.linux-phy,org.infradead.lists.linux-rockchip,org.kernel.vger.bpf,org.kernel.vger.ceph-devel,org.kernel.vger.kvm,org.kernel.vger.linux-block,org.kernel.vger.linux-bluetooth,org.kernel.vger.linux-btrfs,org.kernel.vger.linux-cifs,org.kernel.vger.linux-clk,org.kernel.vger.linux-ext4,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-gpio,org.kernel.vger.linux-hyperv,org.kernel.vger.linux-input,org.kernel.vger.linux-kernel,org.kernel.vger.linux-leds,org.kernel.vger.linux-media,org.kernel.vger.linux-mips,org.kernel.vger.linux-modules,org.kernel.vger.linux-nfs,org.kernel.vger.linux-omap,org.kernel.vger.linux-pm,org.kernel.vger.linux-s390,org.kernel.vger.linux-scsi,org.kernel.vger.linux-sctp,org.kernel.vger.linux-security-module,org.kernel.vger.linux-sh,org.kernel.vger.linux-sound,org.kernel.vger.linux-trace-kernel,org.kernel.vger.linux-usb,org.kernel.vger.linux-wireless,org.kernel.vger.netdev,org.kernel.vger.target-devel,org.kvack.linux-mm,org.osuosl.intel-wired-lan,org.ozlabs.lists.linux-erofs |
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| Message-ID | <qtwmj2mcbokwa7gexs5oqasjuitoaajiawc4d6dwcc224lmvbo@syjg6j6jggwy> |
On Tue, Mar 10, 2026 at 12:48:43PM +0100, Philipp Hahn wrote: > Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL > check. > > Change generated with coccinelle. > > To: Luis Chamberlain <[email protected]> > To: Petr Pavlu <[email protected]> > To: Daniel Gomez <[email protected]> > To: Sami Tolvanen <[email protected]> > To: Aaron Tomlin <[email protected]> > Cc: [email protected] > Cc: [email protected] > Signed-off-by: Philipp Hahn <[email protected]> > --- > kernel/module/main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/module/main.c b/kernel/module/main.c > index c3ce106c70af165e2dc1a3c79f5a074a5c3e3d34..7f62f0620dcd75960e431f7af3d1cadf4cc41e4b 100644 > --- a/kernel/module/main.c > +++ b/kernel/module/main.c > @@ -1551,7 +1551,7 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) > case SHN_UNDEF: > ksym = resolve_symbol_wait(mod, info, name); > /* Ok if resolved. */ > - if (ksym && !IS_ERR(ksym)) { > + if (!IS_ERR_OR_NULL(ksym)) { > sym[i].st_value = kernel_symbol_value(ksym); > break; > } > > -- > 2.43.0 > Hi Philipp, Thank you. Have you considered other users of IS_ERR() in kernel/module/main.c too? Perhaps it might be best to prepare a clean up for each applicable subsystem in isolation. Kind regards, -- Aaron Tomlin
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