diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/acpica/utresrc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index d955bf852a03..517acf8e77c8 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -239,6 +239,13 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); } + /* + * Don't attempt to perform any validation on the 2nd byte. + * Although all known ASL compilers insert a zero for the 2nd + * byte, it can also be a checksum (as per the ACPI spec), + * and this is occasionally seen in the field. July 2017. + */ + /* Return the pointer to the end_tag if requested */ if (!user_function) { |