aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMarkus Armbruster <armbru@redhat.com>2020-07-07 18:05:51 +0200
committerMarkus Armbruster <armbru@redhat.com>2020-07-10 15:18:08 +0200
commit552d7f49eebdb1c84ab6dc7d93bd152fd885af31 (patch)
treeba2ab90bff80624c63ee6c9bef8440e1e47d48f1
parent90c69fb9fdd71f5e615145fd1dc43cdef61737b3 (diff)
qom: Crash more nicely on object_property_get_link() failure
Pass &error_abort instead of NULL where the returned value is dereferenced or asserted to be non-null. Drop a now redundant assertion. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20200707160613.848843-24-armbru@redhat.com>
-rw-r--r--hw/core/platform-bus.c6
-rw-r--r--hw/ppc/spapr_drc.c3
-rw-r--r--hw/ppc/spapr_hcall.c3
-rw-r--r--hw/ppc/spapr_pci_nvlink2.c3
-rw-r--r--ui/vnc.c2
5 files changed, 10 insertions, 7 deletions
diff --git a/hw/core/platform-bus.c b/hw/core/platform-bus.c
index d494e5cec1..5037ca265e 100644
--- a/hw/core/platform-bus.c
+++ b/hw/core/platform-bus.c
@@ -22,6 +22,7 @@
#include "qemu/osdep.h"
#include "hw/platform-bus.h"
#include "hw/qdev-properties.h"
+#include "qapi/error.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
@@ -63,9 +64,8 @@ hwaddr platform_bus_get_mmio_addr(PlatformBusDevice *pbus, SysBusDevice *sbdev,
return -1;
}
- parent_mr = object_property_get_link(OBJECT(sbdev_mr), "container", NULL);
-
- assert(parent_mr);
+ parent_mr = object_property_get_link(OBJECT(sbdev_mr), "container",
+ &error_abort);
if (parent_mr != pbus_mr_obj) {
/* MMIO region is not mapped on platform bus */
return -1;
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index d10193f39e..1f18b79348 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -870,7 +870,8 @@ int spapr_dt_drc(void *fdt, int offset, Object *owner, uint32_t drc_type_mask)
continue;
}
- obj = object_property_get_link(root_container, prop->name, NULL);
+ obj = object_property_get_link(root_container, prop->name,
+ &error_abort);
drc = SPAPR_DR_CONNECTOR(obj);
drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 0f54988f2e..c1d01228c6 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -1655,7 +1655,8 @@ static void spapr_handle_transient_dev_before_cas(SpaprMachineState *spapr)
continue;
}
drc = SPAPR_DR_CONNECTOR(object_property_get_link(drc_container,
- prop->name, NULL));
+ prop->name,
+ &error_abort));
if (spapr_drc_transient(drc)) {
spapr_drc_reset(drc);
diff --git a/hw/ppc/spapr_pci_nvlink2.c b/hw/ppc/spapr_pci_nvlink2.c
index 8332d5694e..dd8cd6db96 100644
--- a/hw/ppc/spapr_pci_nvlink2.c
+++ b/hw/ppc/spapr_pci_nvlink2.c
@@ -358,7 +358,8 @@ void spapr_phb_nvgpu_ram_populate_dt(SpaprPhbState *sphb, void *fdt)
for (i = 0; i < sphb->nvgpus->num; ++i) {
SpaprPhbPciNvGpuSlot *nvslot = &sphb->nvgpus->slots[i];
Object *nv_mrobj = object_property_get_link(OBJECT(nvslot->gpdev),
- "nvlink2-mr[0]", NULL);
+ "nvlink2-mr[0]",
+ &error_abort);
uint32_t associativity[] = {
cpu_to_be32(0x4),
SPAPR_GPU_NUMA_ID,
diff --git a/ui/vnc.c b/ui/vnc.c
index 527ad25124..f006aa1afd 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -568,7 +568,7 @@ VncInfo2List *qmp_query_vnc_servers(Error **errp)
&info->vencrypt, &info->has_vencrypt);
if (vd->dcl.con) {
dev = DEVICE(object_property_get_link(OBJECT(vd->dcl.con),
- "device", NULL));
+ "device", &error_abort));
info->has_display = true;
info->display = g_strdup(dev->id);
}