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-rw-r--r--drivers/acpi/acpica/nsutils.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c
index 2808586fad30..08c0b5beec88 100644
--- a/drivers/acpi/acpica/nsutils.c
+++ b/drivers/acpi/acpica/nsutils.c
@@ -419,10 +419,12 @@ acpi_ns_externalize_name(u32 internal_name_length,
switch (internal_name[0]) {
case AML_ROOT_PREFIX:
+
prefix_length = 1;
break;
case AML_PARENT_PREFIX:
+
for (i = 0; i < internal_name_length; i++) {
if (ACPI_IS_PARENT_PREFIX(internal_name[i])) {
prefix_length = i + 1;
@@ -438,6 +440,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
break;
default:
+
break;
}