diff options
Diffstat (limited to 'drivers/pci/pci-label.c')
| -rw-r--r-- | drivers/pci/pci-label.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c index a3fbe2012ea3..2ab1b47c7651 100644 --- a/drivers/pci/pci-label.c +++ b/drivers/pci/pci-label.c @@ -161,8 +161,8 @@ enum acpi_attr_enum { static void dsm_label_utf16s_to_utf8s(union acpi_object *obj, char *buf) { int len; - len = utf16s_to_utf8s((const wchar_t *)obj->string.pointer, - obj->string.length, + len = utf16s_to_utf8s((const wchar_t *)obj->buffer.pointer, + obj->buffer.length, UTF16_LITTLE_ENDIAN, buf, PAGE_SIZE); buf[len] = '\n'; @@ -187,16 +187,22 @@ static int dsm_get_label(struct device *dev, char *buf, tmp = obj->package.elements; if (obj->type == ACPI_TYPE_PACKAGE && obj->package.count == 2 && tmp[0].type == ACPI_TYPE_INTEGER && - tmp[1].type == ACPI_TYPE_STRING) { + (tmp[1].type == ACPI_TYPE_STRING || + tmp[1].type == ACPI_TYPE_BUFFER)) { /* * The second string element is optional even when * this _DSM is implemented; when not implemented, * this entry must return a null string. */ - if (attr == ACPI_ATTR_INDEX_SHOW) + if (attr == ACPI_ATTR_INDEX_SHOW) { scnprintf(buf, PAGE_SIZE, "%llu\n", tmp->integer.value); - else if (attr == ACPI_ATTR_LABEL_SHOW) - dsm_label_utf16s_to_utf8s(tmp + 1, buf); + } else if (attr == ACPI_ATTR_LABEL_SHOW) { + if (tmp[1].type == ACPI_TYPE_STRING) + scnprintf(buf, PAGE_SIZE, "%s\n", + tmp[1].string.pointer); + else if (tmp[1].type == ACPI_TYPE_BUFFER) + dsm_label_utf16s_to_utf8s(tmp + 1, buf); + } len = strlen(buf) > 0 ? strlen(buf) : -1; } |