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Tue, 24 Feb 2026 11:00:48 -0800 (PST) From: David Hamilton To: qemu-devel@nongnu.org Cc: David Hamilton Subject: [PATCH 1/2] hw/misc/ivshmem-pci: Handle error from kvm_irqchip_add_irqfd_notifier_gsi() Date: Tue, 24 Feb 2026 14:00:03 -0500 Message-ID: <20260224190004.84187-2-dahamilt0@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260224190004.84187-1-dahamilt0@gmail.com> References: <20260224190004.84187-1-dahamilt0@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::832; envelope-from=dahamilt0@gmail.com; helo=mail-qt1-x832.google.com X-Spam_score_int: -7 X-Spam_score: -0.8 X-Spam_bar: / X-Spam_report: (-0.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_GMAIL_RCVD=1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Tue, 24 Feb 2026 16:23:21 -0500 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1771968242719158500 Content-Type: text/plain; charset="utf-8" The return value of kvm_irqchip_add_irqfd_notifier_gsi() was being ignored. Propagate the error to the caller via errp. Resolves the TODO comment at the call site. Signed-off-by: David Hamilton --- hw/misc/ivshmem-pci.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/hw/misc/ivshmem-pci.c b/hw/misc/ivshmem-pci.c index a3a43f53bd..45b0e20363 100644 --- a/hw/misc/ivshmem-pci.c +++ b/hw/misc/ivshmem-pci.c @@ -449,6 +449,7 @@ static void setup_interrupt(IVShmemState *s, int vector= , Error **errp) ivshmem_has_feature(s, IVSHMEM_MSI); PCIDevice *pdev =3D PCI_DEVICE(s); Error *err =3D NULL; + int ret; =20 IVSHMEM_DPRINTF("setting up interrupt for vector: %d\n", vector); =20 @@ -464,9 +465,13 @@ static void setup_interrupt(IVShmemState *s, int vecto= r, Error **errp) } =20 if (!msix_is_masked(pdev, vector)) { - kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, NULL, + ret =3D kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, NULL, s->msi_vectors[vector].virq= ); - /* TODO handle error */ + if (ret < 0) { + error_setg(errp, "Failed to configure irqfd notifier" + " for vector %d, vector"); + return; + } } } else { /* it will be delayed until msix is enabled, in write_config */ --=20 2.50.1 (Apple Git-155)