rtems: Add and use _Region_Get_and_lock()

Get region and lock allocator in _Region_Get_and_lock() in case the
region exists and unlock it in _Region_Unlock().

1 files changed, 9 insertions, 13 deletions

diff --git a/cpukit/rtems/src/regiongetfreeinfo.c b/cpukit/rtems/src/regiongetfreeinfo.c
index 7924c0f90e..c35d888082 100644
--- a/cpukit/rtems/src/regiongetfreeinfo.c
+++ b/cpukit/rtems/src/regiongetfreeinfo.c
@@ -27,25 +27,21 @@ rtems_status_code rtems_region_get_free_information(
   Heap_Information_block *the_info
 )
 {
-  rtems_status_code  status;
-  Region_Control    *the_region;
+  Region_Control *the_region;
 
   if ( the_info == NULL ) {
     return RTEMS_INVALID_ADDRESS;
   }
 
-  _RTEMS_Lock_allocator();
+  the_region = _Region_Get_and_lock( id );
 
-  the_region = _Region_Get( id );
-
-  if ( the_region != NULL ) {
-    memset( &the_info->Used, 0, sizeof( the_info->Used ) );
-    _Heap_Get_free_information( &the_region->Memory, &the_info->Free );
-    status = RTEMS_SUCCESSFUL;
-  } else {
-    status = RTEMS_INVALID_ID;
+  if ( the_region == NULL ) {
+    return RTEMS_INVALID_ID;
   }
 
-  _RTEMS_Unlock_allocator();
-  return status;
+  memset( &the_info->Used, 0, sizeof( the_info->Used ) );
+  _Heap_Get_free_information( &the_region->Memory, &the_info->Free );
+
+  _Region_Unlock( the_region );
+  return RTEMS_SUCCESSFUL;
 }