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>

diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 735c05996ec6ead9c45ffc09bdbb45b9dbfee125..54c968ab8144071e395cde25f540711bbcf95a0e 100644 (file)
--- 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];