[PATCH] sapi: Add param check to rtems_extension_create()

[Sebastian Huber]

Check that the extensions table is not NULL.  Change format.

Update #3953.
---
 cpukit/sapi/src/extensioncreate.c | 14 ++++++++++----
 testsuites/sptests/sp07/init.c    |  5 +++++
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/cpukit/sapi/src/extensioncreate.c b/cpukit/sapi/src/extensioncreate.c
index 59f41d2ec2..5751f47bef 100644
--- a/cpukit/sapi/src/extensioncreate.c
+++ b/cpukit/sapi/src/extensioncreate.c
@@ -32,15 +32,21 @@ rtems_status_code rtems_extension_create(
 {
   Extension_Control *the_extension;
 
-  if ( !id )
+  if ( !rtems_is_name_valid( name ) ) {
+    return RTEMS_INVALID_NAME;
+  }
+
+  if ( extension_table == NULL ) {
     return RTEMS_INVALID_ADDRESS;
+  }
 
-  if ( !rtems_is_name_valid( name ) )
-    return RTEMS_INVALID_NAME;
+  if ( id == NULL ) {
+    return RTEMS_INVALID_ADDRESS;
+  }
 
   the_extension = _Extension_Allocate();
 
-  if ( !the_extension ) {
+  if ( the_extension == NULL ) {
     _Objects_Allocator_unlock();
     return RTEMS_TOO_MANY;
   }
diff --git a/testsuites/sptests/sp07/init.c b/testsuites/sptests/sp07/init.c
index b44b5b967e..083fd21317 100644
--- a/testsuites/sptests/sp07/init.c
+++ b/testsuites/sptests/sp07/init.c
@@ -73,6 +73,11 @@ rtems_task Init(
   Extension_name[ 1 ] =  rtems_build_name( 'E', 'X', 'T', '1' );
   Extension_name[ 2 ] =  rtems_build_name( 'E', 'X', 'T', '2' );
 
+  puts  ( "rtems_extension_create - bad table -- RTEMS_INVALID_ADDRESS" );
+  status = rtems_extension_create( 0xa5a5a5a5, NULL, &id );
+  fatal_directive_status(
+    status, RTEMS_INVALID_ADDRESS, "rtems_extension_create" );
+
   puts  ( "rtems_extension_create - bad id pointer -- RTEMS_INVALID_ADDRESS" );
   status = rtems_extension_create( 0xa5a5a5a5, &Extensions, NULL );
   fatal_directive_status(
-- 
2.16.4