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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2021-10-07 23:12:41 +0100
committerLaurent Vivier <laurent@vivier.eu>2021-10-08 13:31:02 +0200
commit7437b13eacfd05ed6817c2f05c4712ed618544e1 (patch)
treef5a8fe0cfdc4dc1f85f372167a23c3f6f8cb73da /hw/display
parent14f12119aa675e9e28207a48b0728a2daa5b88d6 (diff)
macfb: handle errors that occur during realize
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>
Diffstat (limited to 'hw/display')
-rw-r--r--hw/display/macfb.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/display/macfb.c b/hw/display/macfb.c
index 76808b69cc..2b747a8de8 100644
--- a/hw/display/macfb.c
+++ b/hw/display/macfb.c
@@ -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);
}