diff options
Diffstat (limited to 'cpukit/rtems/src/dpmemexternal2internal.c')
| -rw-r--r-- | cpukit/rtems/src/dpmemexternal2internal.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/cpukit/rtems/src/dpmemexternal2internal.c b/cpukit/rtems/src/dpmemexternal2internal.c index 7804efdc6c..d496404a50 100644 --- a/cpukit/rtems/src/dpmemexternal2internal.c +++ b/cpukit/rtems/src/dpmemexternal2internal.c @@ -49,6 +49,9 @@ rtems_status_code rtems_port_external_to_internal( Objects_Locations location; uint32_t ending; + if ( !internal ) + return RTEMS_INVALID_ADDRESS; + the_port = _Dual_ported_memory_Get( id, &location ); switch ( location ) { case OBJECTS_REMOTE: /* this error cannot be returned */ |