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-rw-r--r--cpukit/libcsupport/src/cachecoherentalloc.c32
1 files changed, 19 insertions, 13 deletions
diff --git a/cpukit/libcsupport/src/cachecoherentalloc.c b/cpukit/libcsupport/src/cachecoherentalloc.c
index bcf557a92c..ed17ebffcb 100644
--- a/cpukit/libcsupport/src/cachecoherentalloc.c
+++ b/cpukit/libcsupport/src/cachecoherentalloc.c
@@ -7,7 +7,7 @@
*/
/*
- * Copyright (c) 2014 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2014 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -97,7 +97,7 @@ void rtems_cache_coherent_free( void *ptr )
_RTEMS_Unlock_allocator();
}
-static void add_area(
+static rtems_status_code add_area(
void *area_begin,
uintptr_t area_size
)
@@ -105,31 +105,37 @@ static void add_area(
Heap_Control *heap = cache_coherent_heap;
if ( heap == NULL ) {
- bool ok;
-
heap = &cache_coherent_heap_instance;
- ok = _Heap_Initialize( heap, area_begin, area_size, 0 );
- if ( ok ) {
- cache_coherent_heap = heap;
+ if ( _Heap_Initialize( heap, area_begin, area_size, 0 ) == 0 ) {
+ return RTEMS_UNSATISFIED;
}
+ cache_coherent_heap = heap;
} else {
- _Heap_Extend( heap, area_begin, area_size, 0 );
+ if (_Heap_Extend( heap, area_begin, area_size, 0 ) == 0) {
+ return RTEMS_UNSATISFIED;
+ }
}
+ return RTEMS_SUCCESSFUL;
}
-void rtems_cache_coherent_add_area(
+rtems_status_code rtems_cache_coherent_add_area(
void *area_begin,
uintptr_t area_size
)
{
- if ( _System_state_Is_up( _System_state_Get()) ) {
+ rtems_status_code sc;
+ bool needs_locking = _System_state_Is_up( _System_state_Get());
+
+ if ( needs_locking ) {
_RTEMS_Lock_allocator();
+ }
- add_area( area_begin, area_size );
+ sc = add_area( area_begin, area_size );
+ if ( needs_locking ) {
_RTEMS_Unlock_allocator();
- } else {
- add_area( area_begin, area_size );
}
+
+ return sc;
}