summaryrefslogtreecommitdiff
path: root/drivers/acpi/namespace
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/namespace')
-rw-r--r--drivers/acpi/namespace/nsutils.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index b0817e1127b1..337fb04e0388 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -314,9 +314,15 @@ void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info)
*
* strlen() + 1 covers the first name_seg, which has no path separator
*/
- if (acpi_ns_valid_root_prefix(next_external_char[0])) {
+ if (acpi_ns_valid_root_prefix(*next_external_char)) {
info->fully_qualified = TRUE;
next_external_char++;
+
+ /* Skip redundant root_prefix, like \\_SB.PCI0.SBRG.EC0 */
+
+ while (acpi_ns_valid_root_prefix(*next_external_char)) {
+ next_external_char++;
+ }
} else {
/*
* Handle Carat prefixes