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[PATCH-for-6.2 1/2] hw/display: Add Error* handle to vga_common_init()
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH-for-6.2 1/2] hw/display: Add Error* handle to vga_common_init() |
Date: |
Thu, 18 Nov 2021 20:20:19 +0100 |
We want vga_common_init() to fail gracefully,
therefore allow it to take an Error* handle.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
hw/display/vga_int.h | 2 +-
hw/display/ati.c | 4 +++-
hw/display/cirrus_vga.c | 4 +++-
hw/display/cirrus_vga_isa.c | 4 +++-
hw/display/qxl.c | 4 +++-
hw/display/vga-isa-mm.c | 3 ++-
hw/display/vga-isa.c | 4 +++-
hw/display/vga-pci.c | 8 ++++++--
hw/display/vga.c | 4 +++-
hw/display/virtio-vga.c | 4 +++-
hw/display/vmware_vga.c | 2 +-
11 files changed, 31 insertions(+), 12 deletions(-)
diff --git a/hw/display/vga_int.h b/hw/display/vga_int.h
index 847e784ca6a..305e700014d 100644
--- a/hw/display/vga_int.h
+++ b/hw/display/vga_int.h
@@ -156,7 +156,7 @@ static inline int c6_to_8(int v)
return (v << 2) | (b << 1) | b;
}
-void vga_common_init(VGACommonState *s, Object *obj);
+bool vga_common_init(VGACommonState *s, Object *obj, Error **errp);
void vga_init(VGACommonState *s, Object *obj, MemoryRegion *address_space,
MemoryRegion *address_space_io, bool init_vga_ports);
MemoryRegion *vga_init_io(VGACommonState *s, Object *obj,
diff --git a/hw/display/ati.c b/hw/display/ati.c
index 31f22754dce..6e38e005022 100644
--- a/hw/display/ati.c
+++ b/hw/display/ati.c
@@ -955,7 +955,9 @@ static void ati_vga_realize(PCIDevice *dev, Error **errp)
}
/* init vga bits */
- vga_common_init(vga, OBJECT(s));
+ if (!vga_common_init(vga, OBJECT(s), errp)) {
+ return;
+ }
vga_init(vga, OBJECT(s), pci_address_space(dev),
pci_address_space_io(dev), true);
vga->con = graphic_console_init(DEVICE(s), 0, s->vga.hw_ops, &s->vga);
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index fdca6ca659f..5a7ddb84ff0 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -2954,7 +2954,9 @@ static void pci_cirrus_vga_realize(PCIDevice *dev, Error
**errp)
return;
}
/* setup VGA */
- vga_common_init(&s->vga, OBJECT(dev));
+ if (!vga_common_init(&s->vga, OBJECT(dev), errp)) {
+ return;
+ }
cirrus_init_common(s, OBJECT(dev), device_id, 1, pci_address_space(dev),
pci_address_space_io(dev));
s->vga.con = graphic_console_init(DEVICE(dev), 0, s->vga.hw_ops, &s->vga);
diff --git a/hw/display/cirrus_vga_isa.c b/hw/display/cirrus_vga_isa.c
index 4f6fb1af3bd..96144bd6906 100644
--- a/hw/display/cirrus_vga_isa.c
+++ b/hw/display/cirrus_vga_isa.c
@@ -56,7 +56,9 @@ static void isa_cirrus_vga_realizefn(DeviceState *dev, Error
**errp)
return;
}
s->global_vmstate = true;
- vga_common_init(s, OBJECT(dev));
+ if (!vga_common_init(s, OBJECT(dev), errp)) {
+ return;
+ }
cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
isa_address_space(isadev),
isa_address_space_io(isadev));
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 29c80b4289b..16eb98c25d8 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -2198,7 +2198,9 @@ static void qxl_realize_primary(PCIDevice *dev, Error
**errp)
qxl_init_ramsize(qxl);
vga->vbe_size = qxl->vgamem_size;
vga->vram_size_mb = qxl->vga.vram_size / MiB;
- vga_common_init(vga, OBJECT(dev));
+ if (!vga_common_init(vga, OBJECT(dev), errp)) {
+ return;
+ }
vga_init(vga, OBJECT(dev),
pci_address_space(dev), pci_address_space_io(dev), false);
portio_list_init(&qxl->vga_port_list, OBJECT(dev), qxl_vga_portio_list,
diff --git a/hw/display/vga-isa-mm.c b/hw/display/vga-isa-mm.c
index 7321b7a06d5..420da1d7467 100644
--- a/hw/display/vga-isa-mm.c
+++ b/hw/display/vga-isa-mm.c
@@ -25,6 +25,7 @@
#include "qemu/osdep.h"
#include "qemu/bitops.h"
#include "qemu/units.h"
+#include "qapi/error.h"
#include "migration/vmstate.h"
#include "hw/display/vga.h"
#include "vga_int.h"
@@ -101,7 +102,7 @@ int isa_vga_mm_init(hwaddr vram_base,
s->vga.vram_size_mb = VGA_RAM_SIZE / MiB;
s->vga.global_vmstate = true;
- vga_common_init(&s->vga, NULL);
+ vga_common_init(&s->vga, NULL, &error_fatal);
vga_mm_init(s, vram_base, ctrl_base, it_shift, address_space);
s->vga.con = graphic_console_init(NULL, 0, s->vga.hw_ops, s);
diff --git a/hw/display/vga-isa.c b/hw/display/vga-isa.c
index 8cea84f2bea..2782012196a 100644
--- a/hw/display/vga-isa.c
+++ b/hw/display/vga-isa.c
@@ -72,7 +72,9 @@ static void vga_isa_realizefn(DeviceState *dev, Error **errp)
}
s->global_vmstate = true;
- vga_common_init(s, OBJECT(dev));
+ if (!vga_common_init(s, OBJECT(dev), errp)) {
+ return;
+ }
s->legacy_address_space = isa_address_space(isadev);
vga_io_memory = vga_init_io(s, OBJECT(dev), &vga_ports, &vbe_ports);
isa_register_portio_list(isadev, &d->portio_vga,
diff --git a/hw/display/vga-pci.c b/hw/display/vga-pci.c
index 62fb5c38c1f..3e5bc259f7a 100644
--- a/hw/display/vga-pci.c
+++ b/hw/display/vga-pci.c
@@ -239,7 +239,9 @@ static void pci_std_vga_realize(PCIDevice *dev, Error
**errp)
bool edid = false;
/* vga + console init */
- vga_common_init(s, OBJECT(dev));
+ if (!vga_common_init(s, OBJECT(dev), errp)) {
+ return;
+ }
vga_init(s, OBJECT(dev), pci_address_space(dev), pci_address_space_io(dev),
true);
@@ -275,7 +277,9 @@ static void pci_secondary_vga_realize(PCIDevice *dev, Error
**errp)
bool edid = false;
/* vga + console init */
- vga_common_init(s, OBJECT(dev));
+ if (!vga_common_init(s, OBJECT(dev), errp)) {
+ return;
+ }
s->con = graphic_console_init(DEVICE(dev), 0, s->hw_ops, s);
/* mmio bar */
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 9d1f66af402..a6759c7e934 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -2168,7 +2168,7 @@ static inline uint32_t uint_clamp(uint32_t val, uint32_t
vmin, uint32_t vmax)
return val;
}
-void vga_common_init(VGACommonState *s, Object *obj)
+bool vga_common_init(VGACommonState *s, Object *obj, Error **errp)
{
int i, j, v, b;
@@ -2237,6 +2237,8 @@ void vga_common_init(VGACommonState *s, Object *obj)
s->default_endian_fb = false;
#endif
vga_dirty_log_start(s);
+
+ return true;
}
static const MemoryRegionPortio vga_portio_list[] = {
diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c
index 9e57f61e9ed..d89735d7301 100644
--- a/hw/display/virtio-vga.c
+++ b/hw/display/virtio-vga.c
@@ -119,7 +119,9 @@ static void virtio_vga_base_realize(VirtIOPCIProxy
*vpci_dev, Error **errp)
/* init vga compat bits */
vga->vram_size_mb = 8;
- vga_common_init(vga, OBJECT(vpci_dev));
+ if (!vga_common_init(vga, OBJECT(vpci_dev), errp)) {
+ return;
+ }
vga_init(vga, OBJECT(vpci_dev), pci_address_space(&vpci_dev->pci_dev),
pci_address_space_io(&vpci_dev->pci_dev), true);
pci_register_bar(&vpci_dev->pci_dev, 0,
diff --git a/hw/display/vmware_vga.c b/hw/display/vmware_vga.c
index e2969a6c81c..d67318e6e46 100644
--- a/hw/display/vmware_vga.c
+++ b/hw/display/vmware_vga.c
@@ -1248,7 +1248,7 @@ static void vmsvga_init(DeviceState *dev, struct
vmsvga_state_s *s,
&error_fatal);
s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
- vga_common_init(&s->vga, OBJECT(dev));
+ vga_common_init(&s->vga, OBJECT(dev), &error_fatal);
vga_init(&s->vga, OBJECT(dev), address_space, io, true);
vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
s->new_depth = 32;
--
2.31.1