ACPICA: Fix possible memory leak.

Ensure cleanup after a memory allocation failure in dsmethod.c.
Original Linux change from Jesper Juhl.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 735c05996ec6..54c968ab8144 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -378,7 +378,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
          */
         info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
         if (!info) {
-                return_ACPI_STATUS(AE_NO_MEMORY);
+                status = AE_NO_MEMORY;
+                goto cleanup;
         }
 
         info->parameters = &this_walk_state->operands[0];