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authorIgor Mammedov <imammedo@redhat.com>2017-01-18 18:13:20 +0100
committerEduardo Habkost <ehabkost@redhat.com>2017-01-23 21:25:37 -0200
commit80e5db303dc82e357df923dc2bfcb858c20282a0 (patch)
tree5902487b6664ae674e4e466fbc266247b9e5f5d6 /hw/acpi
parent074281d62e62f3efab3b71161e9f0a5e8aebb0b3 (diff)
downloadqemu-80e5db303dc82e357df923dc2bfcb858c20282a0.tar.gz
machine: Make possible_cpu_arch_ids() return const pointer
make sure that external callers won't try to modify possible_cpus and owner of possible_cpus can access it directly when it modifies it. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <1484759609-264075-5-git-send-email-imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw/acpi')
-rw-r--r--hw/acpi/cpu.c6
-rw-r--r--hw/acpi/cpu_hotplug.c4
2 files changed, 3 insertions, 7 deletions
diff --git a/hw/acpi/cpu.c b/hw/acpi/cpu.c
index 5ac89fefaf..6017ca04bf 100644
--- a/hw/acpi/cpu.c
+++ b/hw/acpi/cpu.c
@@ -190,7 +190,7 @@ void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
{
MachineState *machine = MACHINE(qdev_get_machine());
MachineClass *mc = MACHINE_GET_CLASS(machine);
- CPUArchIdList *id_list;
+ const CPUArchIdList *id_list;
int i;
assert(mc->possible_cpu_arch_ids);
@@ -201,7 +201,6 @@ void cpu_hotplug_hw_init(MemoryRegion *as, Object *owner,
state->devs[i].cpu = id_list->cpus[i].cpu;
state->devs[i].arch_id = id_list->cpus[i].arch_id;
}
- g_free(id_list);
memory_region_init_io(&state->ctrl_reg, owner, &cpu_hotplug_ops, state,
"acpi-mem-hotplug", ACPI_CPU_HOTPLUG_REG_LEN);
memory_region_add_subregion(as, base_addr, &state->ctrl_reg);
@@ -325,7 +324,7 @@ void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
Aml *one = aml_int(1);
Aml *sb_scope = aml_scope("_SB");
MachineClass *mc = MACHINE_GET_CLASS(machine);
- CPUArchIdList *arch_ids = mc->possible_cpu_arch_ids(machine);
+ const CPUArchIdList *arch_ids = mc->possible_cpu_arch_ids(machine);
char *cphp_res_path = g_strdup_printf("%s." CPUHP_RES_DEVICE, res_root);
Object *obj = object_resolve_path_type("", TYPE_ACPI_DEVICE_IF, NULL);
AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj);
@@ -574,5 +573,4 @@ void build_cpus_aml(Aml *table, MachineState *machine, CPUHotplugFeatures opts,
aml_append(table, method);
g_free(cphp_res_path);
- g_free(arch_ids);
}
diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c
index f15a2402fc..5243918125 100644
--- a/hw/acpi/cpu_hotplug.c
+++ b/hw/acpi/cpu_hotplug.c
@@ -128,7 +128,7 @@ void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState *machine,
Aml *zero = aml_int(0);
Aml *one = aml_int(1);
MachineClass *mc = MACHINE_GET_CLASS(machine);
- CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
+ const CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(machine);
PCMachineState *pcms = PC_MACHINE(machine);
/*
@@ -329,8 +329,6 @@ void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState *machine,
apic_idx = apic_id + 1;
}
aml_append(sb_scope, aml_name_decl(CPU_ON_BITMAP, pkg));
- g_free(apic_ids);
-
aml_append(ctx, sb_scope);
method = aml_method("\\_GPE._E02", 0, AML_NOTSERIALIZED);