[PATCH] ACPI / utils: Fix memory leak on an error return path in acpi_evaluate_reference()

[Xiongfeng Wang]

When package.count is larger than ACPI_MAS_HANDLES, buffer.pointer is
not freed before the function returns AE_NO_MEMORY. Fix this possible
memory leak by kfree'ing it.

Signed-off-by: Xiongfeng Wang <wangxiongfe...@huawei.com>
---
 drivers/acpi/utils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index b9d956c..9282549 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -355,6 +355,7 @@
        }
 
        if (package->package.count > ACPI_MAX_HANDLES) {
+               kfree(package);
                return AE_NO_MEMORY;
        }
        list->count = package->package.count;
-- 
1.7.12.4