motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 00:03:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

macfb: handle errors that occur during realize

Browse source 
Make sure any errors that occur within the macfb realize chain are detected
and handled correctly to prevent crashes and to ensure that error messages are
reported back to the user.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20211007221253.29024-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Mark Cave-Ayland 2021-10-07 23:12:41 +01:00 • committed by Laurent Vivier
parent 14f12119aa
commit 7437b13eac
1 changed files with 11 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

11
hw/display/macfb.c
View file

@ -379,6 +379,10 @@ static void macfb_sysbus_realize(DeviceState *dev, Error **errp)
MacfbState *ms = &s->macfb;
macfb_common_realize(dev, ms, errp);
if (*errp) {
return;
}
sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_ctrl);
sysbus_init_mmio(SYS_BUS_DEVICE(s), &ms->mem_vram);
}
@ -391,8 +395,15 @@ static void macfb_nubus_realize(DeviceState *dev, Error **errp)
MacfbState *ms = &s->macfb;
ndc->parent_realize(dev, errp);
if (*errp) {
return;
}
macfb_common_realize(dev, ms, errp);
if (*errp) {
return;
}
memory_region_add_subregion(&nd->slot_mem, DAFB_BASE, &ms->mem_ctrl);
memory_region_add_subregion(&nd->slot_mem, VIDEO_BASE, &ms->mem_vram);
}