Re: [PATCH 11/16] vfio/pci: Make vfio_intx_enable() return bool
On 5/15/24 10:20, Zhenzhong Duan wrote: This is to follow the coding standand in qapi/error.h to return bool for bool-valued functions. Suggested-by: Cédric Le Goater Signed-off-by: Zhenzhong Duan Reviewed-by: Cédric Le Goater Thanks, C. --- hw/vfio/pci.c | 19 --- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index c091d21adf..e2ca4507f8 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -261,7 +261,7 @@ static void vfio_irqchip_change(Notifier *notify, void *data) vfio_intx_update(vdev, &vdev->intx.route); } -static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) +static bool vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) { uint8_t pin = vfio_pci_read_config(&vdev->pdev, PCI_INTERRUPT_PIN, 1); Error *err = NULL; @@ -270,7 +270,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) if (!pin) { -return 0; +return true; } vfio_disable_interrupts(vdev); @@ -292,7 +292,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) ret = event_notifier_init(&vdev->intx.interrupt, 0); if (ret) { error_setg_errno(errp, -ret, "event_notifier_init failed"); -return ret; +return false; } fd = event_notifier_get_fd(&vdev->intx.interrupt); qemu_set_fd_handler(fd, vfio_intx_interrupt, NULL, vdev); @@ -301,7 +301,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) VFIO_IRQ_SET_ACTION_TRIGGER, fd, errp)) { qemu_set_fd_handler(fd, NULL, NULL, vdev); event_notifier_cleanup(&vdev->intx.interrupt); -return -errno; +return false; } if (!vfio_intx_enable_kvm(vdev, &err)) { @@ -311,7 +311,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) vdev->interrupt = VFIO_INT_INTx; trace_vfio_intx_enable(vdev->vbasedev.name); -return 0; +return true; } static void vfio_intx_disable(VFIOPCIDevice *vdev) @@ -836,8 +836,7 @@ static void vfio_msix_disable(VFIOPCIDevice *vdev) vfio_disable_irqindex(&vdev->vbasedev, VFIO_PCI_MSIX_IRQ_INDEX); vfio_msi_disable_common(vdev); -vfio_intx_enable(vdev, &err); -if (err) { +if (!vfio_intx_enable(vdev, &err)) { error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name); } @@ -2450,8 +2449,7 @@ void vfio_pci_post_reset(VFIOPCIDevice *vdev) Error *err = NULL; int nr; -vfio_intx_enable(vdev, &err); -if (err) { +if (!vfio_intx_enable(vdev, &err)) { error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name); } @@ -3197,8 +3195,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) vfio_intx_routing_notifier); vdev->irqchip_change_notifier.notify = vfio_irqchip_change; kvm_irqchip_add_change_notifier(&vdev->irqchip_change_notifier); -ret = vfio_intx_enable(vdev, errp); -if (ret) { +if (!vfio_intx_enable(vdev, errp)) { goto out_deregister; } }
[PATCH 11/16] vfio/pci: Make vfio_intx_enable() return bool
This is to follow the coding standand in qapi/error.h to return bool for bool-valued functions. Suggested-by: Cédric Le Goater Signed-off-by: Zhenzhong Duan --- hw/vfio/pci.c | 19 --- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index c091d21adf..e2ca4507f8 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -261,7 +261,7 @@ static void vfio_irqchip_change(Notifier *notify, void *data) vfio_intx_update(vdev, &vdev->intx.route); } -static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) +static bool vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) { uint8_t pin = vfio_pci_read_config(&vdev->pdev, PCI_INTERRUPT_PIN, 1); Error *err = NULL; @@ -270,7 +270,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) if (!pin) { -return 0; +return true; } vfio_disable_interrupts(vdev); @@ -292,7 +292,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) ret = event_notifier_init(&vdev->intx.interrupt, 0); if (ret) { error_setg_errno(errp, -ret, "event_notifier_init failed"); -return ret; +return false; } fd = event_notifier_get_fd(&vdev->intx.interrupt); qemu_set_fd_handler(fd, vfio_intx_interrupt, NULL, vdev); @@ -301,7 +301,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) VFIO_IRQ_SET_ACTION_TRIGGER, fd, errp)) { qemu_set_fd_handler(fd, NULL, NULL, vdev); event_notifier_cleanup(&vdev->intx.interrupt); -return -errno; +return false; } if (!vfio_intx_enable_kvm(vdev, &err)) { @@ -311,7 +311,7 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error **errp) vdev->interrupt = VFIO_INT_INTx; trace_vfio_intx_enable(vdev->vbasedev.name); -return 0; +return true; } static void vfio_intx_disable(VFIOPCIDevice *vdev) @@ -836,8 +836,7 @@ static void vfio_msix_disable(VFIOPCIDevice *vdev) vfio_disable_irqindex(&vdev->vbasedev, VFIO_PCI_MSIX_IRQ_INDEX); vfio_msi_disable_common(vdev); -vfio_intx_enable(vdev, &err); -if (err) { +if (!vfio_intx_enable(vdev, &err)) { error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name); } @@ -2450,8 +2449,7 @@ void vfio_pci_post_reset(VFIOPCIDevice *vdev) Error *err = NULL; int nr; -vfio_intx_enable(vdev, &err); -if (err) { +if (!vfio_intx_enable(vdev, &err)) { error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name); } @@ -3197,8 +3195,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) vfio_intx_routing_notifier); vdev->irqchip_change_notifier.notify = vfio_irqchip_change; kvm_irqchip_add_change_notifier(&vdev->irqchip_change_notifier); -ret = vfio_intx_enable(vdev, errp); -if (ret) { +if (!vfio_intx_enable(vdev, errp)) { goto out_deregister; } } -- 2.34.1