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authorZhenzhong Duan <zhenzhong.duan@intel.com>2024-05-22 12:39:57 +0800
committerCédric Le Goater <clg@redhat.com>2024-05-22 10:04:21 +0200
commit455c009dc4ec13dab51c3764332433013b5cf3cb (patch)
treeb06637d85932377acb62c126377b19b680eb49e2 /hw
parent9442d8af674c80a2f8a7358977e1fc7ed43d2776 (diff)
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vfio/display: Make vfio_display_*() 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 <clg@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/vfio/display.c20
-rw-r--r--hw/vfio/pci.c3
-rw-r--r--hw/vfio/pci.h2
3 files changed, 12 insertions, 13 deletions
diff --git a/hw/vfio/display.c b/hw/vfio/display.c
index d28b724..661e921 100644
--- a/hw/vfio/display.c
+++ b/hw/vfio/display.c
@@ -348,11 +348,11 @@ static const GraphicHwOps vfio_display_dmabuf_ops = {
.ui_info = vfio_display_edid_ui_info,
};
-static int vfio_display_dmabuf_init(VFIOPCIDevice *vdev, Error **errp)
+static bool vfio_display_dmabuf_init(VFIOPCIDevice *vdev, Error **errp)
{
if (!display_opengl) {
error_setg(errp, "vfio-display-dmabuf: opengl not available");
- return -1;
+ return false;
}
vdev->dpy = g_new0(VFIODisplay, 1);
@@ -362,11 +362,11 @@ static int vfio_display_dmabuf_init(VFIOPCIDevice *vdev, Error **errp)
if (vdev->enable_ramfb) {
vdev->dpy->ramfb = ramfb_setup(errp);
if (!vdev->dpy->ramfb) {
- return -EINVAL;
+ return false;
}
}
vfio_display_edid_init(vdev);
- return 0;
+ return true;
}
static void vfio_display_dmabuf_exit(VFIODisplay *dpy)
@@ -483,7 +483,7 @@ static const GraphicHwOps vfio_display_region_ops = {
.gfx_update = vfio_display_region_update,
};
-static int vfio_display_region_init(VFIOPCIDevice *vdev, Error **errp)
+static bool vfio_display_region_init(VFIOPCIDevice *vdev, Error **errp)
{
vdev->dpy = g_new0(VFIODisplay, 1);
vdev->dpy->con = graphic_console_init(DEVICE(vdev), 0,
@@ -492,10 +492,10 @@ static int vfio_display_region_init(VFIOPCIDevice *vdev, Error **errp)
if (vdev->enable_ramfb) {
vdev->dpy->ramfb = ramfb_setup(errp);
if (!vdev->dpy->ramfb) {
- return -EINVAL;
+ return false;
}
}
- return 0;
+ return true;
}
static void vfio_display_region_exit(VFIODisplay *dpy)
@@ -510,7 +510,7 @@ static void vfio_display_region_exit(VFIODisplay *dpy)
/* ---------------------------------------------------------------------- */
-int vfio_display_probe(VFIOPCIDevice *vdev, Error **errp)
+bool vfio_display_probe(VFIOPCIDevice *vdev, Error **errp)
{
struct vfio_device_gfx_plane_info probe;
int ret;
@@ -533,11 +533,11 @@ int vfio_display_probe(VFIOPCIDevice *vdev, Error **errp)
if (vdev->display == ON_OFF_AUTO_AUTO) {
/* not an error in automatic mode */
- return 0;
+ return true;
}
error_setg(errp, "vfio: device doesn't support any (known) display method");
- return -1;
+ return false;
}
void vfio_display_finalize(VFIOPCIDevice *vdev)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index c1adef5..a447013 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3200,8 +3200,7 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
}
if (vdev->display != ON_OFF_AUTO_OFF) {
- ret = vfio_display_probe(vdev, errp);
- if (ret) {
+ if (!vfio_display_probe(vdev, errp)) {
goto out_deregister;
}
}
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index 92cd62d..a5ac9ef 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -232,7 +232,7 @@ int vfio_pci_igd_opregion_init(VFIOPCIDevice *vdev,
Error **errp);
void vfio_display_reset(VFIOPCIDevice *vdev);
-int vfio_display_probe(VFIOPCIDevice *vdev, Error **errp);
+bool vfio_display_probe(VFIOPCIDevice *vdev, Error **errp);
void vfio_display_finalize(VFIOPCIDevice *vdev);
extern const VMStateDescription vfio_display_vmstate;