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bh=XpbNH3QG7hQ6uA4cNyBiYCTL+aMLHBgPlTwqzjzOh+s=; b=ZogyVAmTMUejIDjSAMt2cTtQeHdVQpfcfjnPo6S81gIcbwLJomEWshb7N/cNEHDljcrfqe 3FJb0bsDo1ThISn4CHsyghh5fd85udte0IamaFcKt2jxYC1AT9EHGslQuUub4aw53PIBWW JCnkNnNlpKYi/dK0FnboLJDXcnVsdSs= X-MC-Unique: _EsZpI3SPx2Q2wJKO6zo7Q-1 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Markus Armbruster Subject: [PULL 11/47] vfio/ap: Make vfio_ap_register_irq_notifier() return a bool Date: Wed, 22 May 2024 11:54:06 +0200 Message-ID: <20240522095442.195243-12-clg@redhat.com> In-Reply-To: <20240522095442.195243-1-clg@redhat.com> References: <20240522095442.195243-1-clg@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 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=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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 @redhat.com) X-ZM-MESSAGEID: 1716371855070100001 Since vfio_ap_register_irq_notifier() takes and 'Error **' argument, best practices suggest to return a bool. See the qapi/error.h Rules section. Reviewed-by: Markus Armbruster Signed-off-by: C=C3=A9dric Le Goater --- hw/vfio/ap.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c index 03f8ffaa5e2bf13cf8daa2f44aa4cf17809abd94..8bb024e2fde4a1d72346dee4b66= 2d762374326b9 100644 --- a/hw/vfio/ap.c +++ b/hw/vfio/ap.c @@ -70,7 +70,7 @@ static void vfio_ap_req_notifier_handler(void *opaque) } } =20 -static void vfio_ap_register_irq_notifier(VFIOAPDevice *vapdev, +static bool vfio_ap_register_irq_notifier(VFIOAPDevice *vapdev, unsigned int irq, Error **errp) { int fd; @@ -87,13 +87,13 @@ static void vfio_ap_register_irq_notifier(VFIOAPDevice = *vapdev, break; default: error_setg(errp, "vfio: Unsupported device irq(%d)", irq); - return; + return false; } =20 if (vdev->num_irqs < irq + 1) { error_setg(errp, "vfio: IRQ %u not available (number of irqs %u)", irq, vdev->num_irqs); - return; + return false; } =20 argsz =3D sizeof(*irq_info); @@ -104,14 +104,14 @@ static void vfio_ap_register_irq_notifier(VFIOAPDevic= e *vapdev, if (ioctl(vdev->fd, VFIO_DEVICE_GET_IRQ_INFO, irq_info) < 0 || irq_info->count < 1) { error_setg_errno(errp, errno, "vfio: Error getting irq info"); - return; + return false; } =20 if (event_notifier_init(notifier, 0)) { error_setg_errno(errp, errno, "vfio: Unable to init event notifier for irq (%d)= ", irq); - return; + return false; } =20 fd =3D event_notifier_get_fd(notifier); @@ -122,6 +122,8 @@ static void vfio_ap_register_irq_notifier(VFIOAPDevice = *vapdev, qemu_set_fd_handler(fd, NULL, NULL, vapdev); event_notifier_cleanup(notifier); } + + return true; } =20 static void vfio_ap_unregister_irq_notifier(VFIOAPDevice *vapdev, @@ -167,8 +169,7 @@ static void vfio_ap_realize(DeviceState *dev, Error **e= rrp) goto error; } =20 - vfio_ap_register_irq_notifier(vapdev, VFIO_AP_REQ_IRQ_INDEX, &err); - if (err) { + if (!vfio_ap_register_irq_notifier(vapdev, VFIO_AP_REQ_IRQ_INDEX, &err= )) { /* * Report this error, but do not make it a failing condition. * Lack of this IRQ in the host does not prevent normal operation. --=20 2.45.1