From: Jung-uk Kim <jkim@xxxxxxxxxxx>
Fixes a possible memory leak in the error exit path.
From 388a9902074c3cfe57d2425d766c491d072d2948 Mon Sep 17 00:00:00 2001
From: Jung-uk Kim <jkim@xxxxxxxxxxx>
Date: Fri, 12 Apr 2013 00:24:34 +0000
Subject: ACPICA: _OSI Support: handle any errors from acpi_os_acquire_mutex()
Jung-uk Kim (jkim@xxxxxxxxxxx), Bob Moore.
Signed-off-by: Jung-uk Kim <jkim@xxxxxxxxxxx>
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
drivers/acpi/acpica/utosi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c
index b15aceb..7e80772 100644
--- a/drivers/acpi/acpica/utosi.c
+++ b/drivers/acpi/acpica/utosi.c
@@ -349,7 +349,8 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state * walk_state)
return_value = 0;
status = acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
if (ACPI_FAILURE(status)) {
- return (status);
+ acpi_ut_remove_reference(return_desc);
+ return_ACPI_STATUS(status);
}
/* Lookup the interface in the global _OSI list */
--
1.7.10
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