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Subject[PATCH 10/19] ACPICA: Dispatcher: Fix a resource leak issue in acpi_ds_auto_serialize_method().
Date
ACPICA commit 29d03840cbab435e8ea82e9339ff9d84535c647d

This patch fixes a resource leak issue in acpi_ds_auto_serialize_method().
It is reported by the "Coverity" tool as unsecure code. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/29d03840
Reference: https://jira01.devtools.intel.com/browse/LCK-2142
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
---
drivers/acpi/acpica/dsmethod.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index d72565a..85bb951 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -116,6 +116,7 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
walk_state =
acpi_ds_create_walk_state(node->owner_id, NULL, NULL, NULL);
if (!walk_state) {
+ acpi_ps_free_op(op);
return_ACPI_STATUS(AE_NO_MEMORY);
}

@@ -125,6 +126,7 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
obj_desc->method.aml_length, NULL, 0);
if (ACPI_FAILURE(status)) {
acpi_ds_delete_walk_state(walk_state);
+ acpi_ps_free_op(op);
return_ACPI_STATUS(status);
}

@@ -133,9 +135,6 @@ acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
/* Parse the method, scan for creation of named objects */

status = acpi_ps_parse_aml(walk_state);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }

acpi_ps_delete_parse_tree(op);
return_ACPI_STATUS(status);
--
1.7.10


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