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-rw-r--r--testsuites/sptests/sp21/init.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/testsuites/sptests/sp21/init.c b/testsuites/sptests/sp21/init.c
index 62a48b81ae..0eb453c974 100644
--- a/testsuites/sptests/sp21/init.c
+++ b/testsuites/sptests/sp21/init.c
@@ -29,8 +29,7 @@ void do_test_zero_driver(void);
#define STUB_DRIVER_MAJOR 0x2
#define ZERO_DRIVER_MAJOR 0x3
#define NO_DRIVER_MAJOR 0x4
-#define INVALID_DRIVER_MAJOR \
- (rtems_configuration_get_number_of_device_drivers() + 1)
+#define INVALID_DRIVER_MAJOR UINT32_MAX
/* driver entries to use with io_register */
rtems_driver_address_table GoodDriver = DEVNULL_DRIVER_TABLE_ENTRY;