diff options
Diffstat (limited to 'drivers/acpi/resource.c')
| -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 c723668e3e27..5589a6e2a023 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) | |||
| 42 | * CHECKME: len might be required to check versus a minimum | 42 | * CHECKME: len might be required to check versus a minimum |
| 43 | * length as well. 1 for io is fine, but for memory it does | 43 | * length as well. 1 for io is fine, but for memory it does |
| 44 | * not make any sense at all. | 44 | * not make any sense at all. |
| 45 | * Note: some BIOSes report incorrect length for ACPI address space | ||
| 46 | * descriptor, so remove check of 'reslen == len' to avoid regression. | ||
| 45 | */ | 47 | */ |
| 46 | if (len && reslen && reslen == len && start <= end) | 48 | if (len && reslen && start <= end) |
| 47 | return true; | 49 | return true; |
| 48 | 50 | ||
| 49 | pr_debug("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n", | 51 | pr_debug("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n", |