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| author | Bob Moore <robert.moore@intel.com> | 2015-08-25 10:28:26 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-08-25 23:11:30 +0200 |
| commit | 4712f71b609d1805b958c0c355b16a995b11ab6e (patch) | |
| tree | fdc5478b85a78859f593691124051cdf3e338a3b /drivers/acpi/acpica/nseval.c | |
| parent | 40913fe6ea3b733564f0b580cf6c51f5d8fa8158 (diff) | |
| download | lwn-4712f71b609d1805b958c0c355b16a995b11ab6e.tar.gz lwn-4712f71b609d1805b958c0c355b16a995b11ab6e.zip | |
ACPICA: Correctly cleanup after a ACPI table load failure
ACPICA commit ed7769e832de6c7ba90615480d916c85fd100422
If a table load fails, delete all namespace objects created by the
table, otherwise these objects will be uninitialized, causing
problems later. This appears to be a very rare problem.
Also handle the unitialized node problem to prevent possible
faults. ACPICA BZ 1185.
Link: https://github.com/acpica/acpica/commit/ed7769e8
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/nseval.c')
| -rw-r--r-- | drivers/acpi/acpica/nseval.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index 80670cb32b5a..88822b7a958f 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -274,6 +274,7 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info) acpi_ex_exit_interpreter(); if (ACPI_FAILURE(status)) { + info->return_object = NULL; goto cleanup; } |