diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/resource.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index c723668e3e2..5589a6e2a02 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -42,8 +42,10 @@ static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io) * CHECKME: len might be required to check versus a minimum * length as well. 1 for io is fine, but for memory it does * not make any sense at all. + * Note: some BIOSes report incorrect length for ACPI address space + * descriptor, so remove check of 'reslen == len' to avoid regression. */ - if (len && reslen && reslen == len && start <= end) + if (len && reslen && start <= end) return true; pr_debug("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n", |