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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/i386/pc.c
parent074281d62e62f3efab3b71161e9f0a5e8aebb0b3 (diff)
downloadfocaccia-qemu-80e5db303dc82e357df923dc2bfcb858c20282a0.tar.gz
focaccia-qemu-80e5db303dc82e357df923dc2bfcb858c20282a0.zip
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/i386/pc.c')
-rw-r--r--hw/i386/pc.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 079346ac5d..c949cf0ecc 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -2240,15 +2240,11 @@ static unsigned pc_cpu_index_to_socket_id(unsigned cpu_index)
     return topo.pkg_id;
 }
 
-static CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *machine)
+static const CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *machine)
 {
     PCMachineState *pcms = PC_MACHINE(machine);
-    int len = sizeof(CPUArchIdList) +
-              sizeof(CPUArchId) * (pcms->possible_cpus->len);
-    CPUArchIdList *list = g_malloc(len);
-
-    memcpy(list, pcms->possible_cpus, len);
-    return list;
+    assert(pcms->possible_cpus);
+    return pcms->possible_cpus;
 }
 
 static HotpluggableCPUList *pc_query_hotpluggable_cpus(MachineState *machine)