[PATCH 19/61] kvm: Prefer IS_ERR_OR_NULL over manual NULL check
From: Philipp Hahn <hidden>
Date: 2026-03-10 11:55:44
Also in:
amd-gfx, bpf, ceph-devel, dm-devel, dri-devel, gfs2, intel-wired-lan, kvm, linux-block, linux-bluetooth, linux-btrfs, linux-cifs, linux-clk, linux-ext4, linux-fsdevel, linux-gpio, linux-hyperv, linux-input, linux-iommu, linux-leds, linux-media, linux-mips, linux-mm, linux-modules, linux-nfs, linux-omap, linux-phy, linux-pm, linux-rockchip, linux-s390, linux-scsi, linux-sctp, linux-security-module, linux-sh, linux-sound, linux-usb, linux-wireless, lkml, netdev, ntfs3, sched-ext, target-devel, v9fs
Subsystem:
kernel virtual machine (kvm), the rest · Maintainers:
Paolo Bonzini, Linus Torvalds
Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL check. Change generated with coccinelle. To: Paolo Bonzini <pbonzini@redhat.com> Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Philipp Hahn <redacted> --- virt/kvm/eventfd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 0e8b8a2c5b791243e230a91124d32fcc0250a0c6..4099dd11626009a3497ad09994ba6bc1b8211536 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c@@ -508,10 +508,10 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args) if (irqfd->resampler) irqfd_resampler_shutdown(irqfd); - if (resamplefd && !IS_ERR(resamplefd)) + if (!IS_ERR_OR_NULL(resamplefd)) eventfd_ctx_put(resamplefd); - if (eventfd && !IS_ERR(eventfd)) + if (!IS_ERR_OR_NULL(eventfd)) eventfd_ctx_put(eventfd); out:
--
2.43.0