cpu: Make models array in virCPUTranslate constant

The API doesn't change the array so let's make it constant.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

src/cpu/cpu.c

@@ -896,7 +896,7 @@ virCPUGetModels(virArch arch, char ***models)
 int
 virCPUTranslate(virArch arch,
                 virCPUDefPtr cpu,
-                char **models,
+                const char **models,
                 unsigned int nmodels)
 {
     struct cpuArchDriver *driver;
@@ -911,7 +911,7 @@ virCPUTranslate(virArch arch,
         cpu->mode == VIR_CPU_MODE_HOST_PASSTHROUGH)
         return 0;
 
-    if (virCPUModelIsAllowed(cpu->model, (const char **) models, nmodels))
+    if (virCPUModelIsAllowed(cpu->model, models, nmodels))
         return 0;
 
     if (cpu->fallback != VIR_CPU_FALLBACK_ALLOW) {
@@ -928,7 +928,7 @@ virCPUTranslate(virArch arch,
         return -1;
     }
 
-    if (driver->translate(cpu, (const char **) models, nmodels) < 0)
+    if (driver->translate(cpu, models, nmodels) < 0)
         return -1;
 
     VIR_DEBUG("model=%s", NULLSTR(cpu->model));

src/cpu/cpu.h

@@ -225,7 +225,7 @@ virCPUGetModels(virArch arch, char ***models);
 int
 virCPUTranslate(virArch arch,
                 virCPUDefPtr cpu,
-                char **models,
+                const char **models,
                 unsigned int nmodels)
     ATTRIBUTE_NONNULL(2);
 

src/qemu/qemu_process.c

@@ -5083,7 +5083,8 @@ qemuProcessUpdateGuestCPU(virDomainDefPtr def,
         goto cleanup;
 
     if (virQEMUCapsGetCPUDefinitions(qemuCaps, &models, &nmodels) < 0 ||
-        virCPUTranslate(def->os.arch, def->cpu, models, nmodels) < 0)
+        virCPUTranslate(def->os.arch, def->cpu,
+                        (const char **) models, nmodels) < 0)
         goto cleanup;
 
     def->cpu->fallback = VIR_CPU_FALLBACK_FORBID;