diff options
| author | Bob Moore <robert.moore@intel.com> | 2018-11-05 09:43:54 -0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-11-08 18:41:47 +0100 |
| commit | 927a6abf023b1a8c6940880802fc17026be6a351 (patch) | |
| tree | cf19f61b5d2ce23e288bf6187e2aecc2eccdeb56 /drivers/acpi/acpica/dswload2.c | |
| parent | c159597ca9233b58be0327f3379eba598a6697ef (diff) | |
ACPICA: iASL: Enhance error detection
Enhance error detection by validating that all name_seg elements
within a name_path actually exist. The previous behavior was spotty
at best, and such errors could be improperly ignored at compile
time (never at runtime, however). There are two new error messages.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/dswload2.c')
| -rw-r--r-- | drivers/acpi/acpica/dswload2.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index b4685bb5f071..fa38bb3009d5 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -296,6 +296,14 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, } #endif + /* + * For name creation opcodes, the full namepath prefix must + * exist, except for the final (new) nameseg. + */ + if (walk_state->op_info->flags & AML_NAMED) { + flags |= ACPI_NS_PREFIX_MUST_EXIST; + } + /* Add new entry or lookup existing entry */ status = |