1 files changed, 31 insertions, 13 deletions

diff --git a/cpukit/rtems/src/taskwakewhen.c b/cpukit/rtems/src/taskwakewhen.c
index 5f6a5795fc..5426c6e031 100644
--- a/cpukit/rtems/src/taskwakewhen.c
+++ b/cpukit/rtems/src/taskwakewhen.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
 /**
  * @file
  *
@@ -11,9 +13,26 @@
  *  COPYRIGHT (c) 1989-1999.
  *  On-Line Applications Research Corporation (OAR).
  *
- *  The license and distribution terms for this file may be
- *  found in the file LICENSE in this distribution or at
- *  http://www.rtems.org/license/LICENSE.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -27,23 +46,22 @@
 #include <rtems/score/watchdogimpl.h>
 
 rtems_status_code rtems_task_wake_when(
-  rtems_time_of_day *time_buffer
+  const rtems_time_of_day *time_buffer
 )
 {
-  uint32_t         seconds;
-  Thread_Control  *executing;
-  Per_CPU_Control *cpu_self;
+  uint32_t          seconds;
+  Thread_Control   *executing;
+  Per_CPU_Control  *cpu_self;
+  rtems_status_code status;
 
   if ( !_TOD_Is_set() )
     return RTEMS_NOT_DEFINED;
 
-  if ( !time_buffer )
-    return RTEMS_INVALID_ADDRESS;
+  status = _TOD_Validate( time_buffer, TOD_DISABLE_TICKS_VALIDATION );
 
-  time_buffer->ticks = 0;
-
-  if ( !_TOD_Validate( time_buffer ) )
-    return RTEMS_INVALID_CLOCK;
+  if ( status != RTEMS_SUCCESSFUL ) {
+    return status;
+  }
 
   seconds = _TOD_To_seconds( time_buffer );