diff options
Diffstat (limited to 'drivers/acpi/nfit/core.c')
| -rw-r--r-- | drivers/acpi/nfit/core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 68205002f561..bfa163e9d6c3 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1273,7 +1273,7 @@ static ssize_t format1_show(struct device *dev, le16_to_cpu(nfit_dcr->dcr->code)); break; } - if (rc != ENXIO) + if (rc != -ENXIO) break; } mutex_unlock(&acpi_desc->init_mutex); @@ -2454,6 +2454,9 @@ static int acpi_nfit_register_region(struct acpi_nfit_desc *acpi_desc, struct acpi_nfit_memory_map *memdev = nfit_memdev->memdev; struct nd_mapping_desc *mapping; + /* range index 0 == unmapped in SPA or invalid-SPA */ + if (memdev->range_index == 0 || spa->range_index == 0) + continue; if (memdev->range_index != spa->range_index) continue; if (count >= ND_MAX_MAPPINGS) { |