ACPI: fix potential memory leak in acpi_evaluate_integer() error path

Signed-off-by: Vasily Averin <vvs@sw.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 6458c47..6b51685 100644 (file)
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -273,11 +273,13 @@ acpi_evaluate_integer(acpi_handle handle,
        status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
        if (ACPI_FAILURE(status)) {
                acpi_util_eval_error(handle, pathname, status);
+               kfree(element);
                return_ACPI_STATUS(status);
        }
 
        if (element->type != ACPI_TYPE_INTEGER) {
                acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
+               kfree(element);
                return_ACPI_STATUS(AE_BAD_DATA);
        }