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authorBob Moore <robert.moore@intel.com>2015-08-25 05:28:26 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-08-26 00:11:30 +0300
commit4712f71b609d1805b958c0c355b16a995b11ab6e (patch)
treefdc5478b85a78859f593691124051cdf3e338a3b /include/acpi
parent40913fe6ea3b733564f0b580cf6c51f5d8fa8158 (diff)
downloadlinux-4712f71b609d1805b958c0c355b16a995b11ab6e.tar.xz
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 'include/acpi')
-rw-r--r--include/acpi/acexcep.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 11c3a011dcbf..9f20eb4acaa6 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -192,8 +192,9 @@ struct acpi_exception_info {
#define AE_AML_BAD_RESOURCE_LENGTH EXCEP_AML (0x001F)
#define AE_AML_ILLEGAL_ADDRESS EXCEP_AML (0x0020)
#define AE_AML_INFINITE_LOOP EXCEP_AML (0x0021)
+#define AE_AML_UNINITIALIZED_NODE EXCEP_AML (0x0022)
-#define AE_CODE_AML_MAX 0x0021
+#define AE_CODE_AML_MAX 0x0022
/*
* Internal exceptions used for control
@@ -355,7 +356,9 @@ static const struct acpi_exception_info acpi_gbl_exception_names_aml[] = {
EXCEP_TXT("AE_AML_ILLEGAL_ADDRESS",
"A memory, I/O, or PCI configuration address is invalid"),
EXCEP_TXT("AE_AML_INFINITE_LOOP",
- "An apparent infinite AML While loop, method was aborted")
+ "An apparent infinite AML While loop, method was aborted"),
+ EXCEP_TXT("AE_AML_UNINITIALIZED_NODE",
+ "A namespace node is uninitialized or unresolved")
};
static const struct acpi_exception_info acpi_gbl_exception_names_ctrl[] = {