acpi: fix integer as NULL pointer warning

drivers/acpi/dispatcher/dsmethod.c:568:50: warning: Using plain integer as NULL pointer
drivers/acpi/executer/exmutex.c:329:30: warning: Using plain integer as NULL pointer
drivers/acpi/executer/exmutex.c:466:31: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index e48a3ea..2509809 100644 (file)
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -565,7 +565,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
 
                                acpi_os_release_mutex(method_desc->method.
                                                      mutex->mutex.os_mutex);
-                               method_desc->method.mutex->mutex.thread_id = 0;
+                               method_desc->method.mutex->mutex.thread_id = NULL;
                        }
                }
 

diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index c873ab4..a8bf3d7 100644 (file)
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -326,7 +326,7 @@ acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc)
 
        /* Clear mutex info */
 
-       obj_desc->mutex.thread_id = 0;
+       obj_desc->mutex.thread_id = NULL;
        return_ACPI_STATUS(status);
 }
 
@@ -463,7 +463,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
                /* Mark mutex unowned */
 
                obj_desc->mutex.owner_thread = NULL;
-               obj_desc->mutex.thread_id = 0;
+               obj_desc->mutex.thread_id = NULL;
 
                /* Update Thread sync_level (Last mutex is the important one) */