1 files changed, 12 insertions, 1 deletions
diff --git a/cpukit/libcsupport/src/malloc.c b/cpukit/libcsupport/src/malloc.c
index 64d3a715e7..91acf92c44 100644
--- a/cpukit/libcsupport/src/malloc.c
+++ b/cpukit/libcsupport/src/malloc.c
@@ -308,7 +308,7 @@ void *realloc(
   }
 
   /*
-   * Continue with calloc().
+   * Continue with realloc().
    */
   if ( !ptr )
     return malloc( size );
@@ -318,6 +318,17 @@ void *realloc(
     return (void *) 0;
   }
 
+  status =
+    rtems_region_resize_segment( RTEMS_Malloc_Heap, ptr, size, &old_size );
+
+  if( status == RTEMS_SUCCESSFUL ) {
+    return ptr;
+  }
+  else if ( status != RTEMS_UNSATISFIED ) {
+    errno = EINVAL;
+    return (void *) 0;
+  }
+
   new_area = malloc( size );
 
   MSBUMP(malloc_calls, -1);   /* subtract off the malloc */