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-rw-r--r--drivers/acpi/acpica/utstring.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utstring.c b/drivers/acpi/acpica/utstring.c
index 0c2e2d23aa8d..958b2f7b552d 100644
--- a/drivers/acpi/acpica/utstring.c
+++ b/drivers/acpi/acpica/utstring.c
@@ -240,6 +240,14 @@ void acpi_ut_repair_name(char *name)
ACPI_FUNCTION_NAME(ut_repair_name);
+ /*
+ * Special case for the root node. This can happen if we get an
+ * error during the execution of module-level code.
+ */
+ if (ACPI_COMPARE_NAME(name, "\\___")) {
+ return;
+ }
+
ACPI_MOVE_NAME(&original_name, name);
/* Check each character in the name */