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-rw-r--r--include/acpi/acoutput.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index ef1cef7..d7bd661 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -183,13 +183,19 @@
#if defined (ACPI_DEBUG_OUTPUT) || !defined (ACPI_NO_ERROR_MESSAGES)
/*
- * Module name is included in both debug and non-debug versions primarily for
- * error messages. The __FILE__ macro is not very useful for this, because it
- * often includes the entire pathname to the module
+ * The module name is used primarily for error and debug messages.
+ * The __FILE__ macro is not very useful for this, because it
+ * usually includes the entire pathname to the module making the
+ * debug output difficult to read.
*/
#define ACPI_MODULE_NAME(name) static const char ACPI_UNUSED_VAR _acpi_module_name[] = name;
#else
+/*
+ * For the no-debug and no-error-msg cases, we must at least define
+ * a null module name.
+ */
#define ACPI_MODULE_NAME(name)
+#define _acpi_module_name ""
#endif
/*
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