nodeinfo: Remove out parameter from nodeGetCPUBitmap()

Not all users of this API will need the size of the returned
bitmap; those who do can simply call virBitmapSize() themselves.

src/nodeinfo.c

@@ -1325,8 +1325,7 @@ nodeGetPresentCPUBitmap(const char *sysfs_prefix ATTRIBUTE_UNUSED)
 }
 
 virBitmapPtr
-nodeGetCPUBitmap(const char *sysfs_prefix ATTRIBUTE_UNUSED,
-                 int *max_id ATTRIBUTE_UNUSED)
+nodeGetCPUBitmap(const char *sysfs_prefix ATTRIBUTE_UNUSED)
 {
 #ifdef __linux__
     const char *prefix = sysfs_prefix ? sysfs_prefix : SYSFS_SYSTEM_PATH;
@@ -1364,8 +1363,7 @@ nodeGetCPUBitmap(const char *sysfs_prefix ATTRIBUTE_UNUSED,
                 ignore_value(virBitmapSetBit(cpumap, i));
         }
     }
-    if (max_id && cpumap)
-        *max_id = present;
+
  cleanup:
     VIR_FREE(online_path);
     VIR_FREE(cpudir);
@@ -1686,7 +1684,6 @@ nodeGetCPUMap(const char *sysfs_prefix,
               unsigned int flags)
 {
     virBitmapPtr cpus = NULL;
-    int maxpresent;
     int ret = -1;
     int dummy;
 
@@ -1695,7 +1692,7 @@ nodeGetCPUMap(const char *sysfs_prefix,
     if (!cpumap && !online)
         return nodeGetCPUCount(sysfs_prefix);
 
-    if (!(cpus = nodeGetCPUBitmap(sysfs_prefix, &maxpresent)))
+    if (!(cpus = nodeGetCPUBitmap(sysfs_prefix)))
         goto cleanup;
 
     if (cpumap && virBitmapToData(cpus, cpumap, &dummy) < 0)
@@ -1703,7 +1700,8 @@ nodeGetCPUMap(const char *sysfs_prefix,
     if (online)
         *online = virBitmapCountBits(cpus);
 
-    ret = maxpresent;
+    ret = virBitmapSize(cpus);
+
  cleanup:
     if (ret < 0 && cpumap)
         VIR_FREE(*cpumap);

src/nodeinfo.h

@@ -45,7 +45,7 @@ int nodeGetMemory(unsigned long long *mem,
                   unsigned long long *freeMem);
 
 virBitmapPtr nodeGetPresentCPUBitmap(const char *sysfs_prefix);
-virBitmapPtr nodeGetCPUBitmap(const char *sysfs_prefix, int *max_id);
+virBitmapPtr nodeGetCPUBitmap(const char *sysfs_prefix);
 int nodeGetCPUCount(const char *sysfs_prefix);
 
 int nodeGetMemoryParameters(virTypedParameterPtr params,