diff options
| author | Lv Zheng <lv.zheng@intel.com> | 2014-02-26 06:29:31 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-02-27 03:45:59 +0400 |
| commit | 83130649302a238c8a42322444468430aa97a1fd (patch) | |
| tree | 52b6c35d3d576b8512c10c887265c765bdc2f73c /drivers/acpi | |
| parent | 9ad4caf3f846544b4e2a00674dd3055a8762d5dd (diff) | |
| download | linux-83130649302a238c8a42322444468430aa97a1fd.tar.xz | |
ACPICA: Properly handle NULL entries in _PRT return packages.
This change enables proper handling of NULL package entries in a _PRT
return value, during construction of the PCI routing table.
Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/rscreate.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index ca62804178bd..f4cd6cad6607 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -292,7 +292,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, /* 1) First subobject: Dereference the PRT.Address */ obj_desc = sub_object_list[0]; - if (obj_desc->common.type != ACPI_TYPE_INTEGER) { + if (!obj_desc || obj_desc->common.type != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, "(PRT[%u].Address) Need Integer, found %s", index, @@ -305,7 +305,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, /* 2) Second subobject: Dereference the PRT.Pin */ obj_desc = sub_object_list[1]; - if (obj_desc->common.type != ACPI_TYPE_INTEGER) { + if (!obj_desc || obj_desc->common.type != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, "(PRT[%u].Pin) Need Integer, found %s", index, @@ -394,7 +394,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, /* 4) Fourth subobject: Dereference the PRT.source_index */ obj_desc = sub_object_list[3]; - if (obj_desc->common.type != ACPI_TYPE_INTEGER) { + if (!obj_desc || obj_desc->common.type != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, "(PRT[%u].SourceIndex) Need Integer, found %s", index, |