ACPI: add kernel tainting after overriding an ACPI control method

[safe/jmp/linux-2.6] / drivers / acpi / osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index d753206..7c1c59e 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -193,7 +193,7 @@ acpi_status __init acpi_os_initialize(void)
 
 static void bind_to_cpu0(struct work_struct *work)
 {
-       set_cpus_allowed(current, cpumask_of_cpu(0));
+       set_cpus_allowed_ptr(current, cpumask_of(0));
        kfree(work);
 }
 
@@ -699,18 +699,12 @@ void acpi_os_derive_pci_id(acpi_handle rhandle,   /* upper bound  */
 static void acpi_os_execute_deferred(struct work_struct *work)
 {
        struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work);
-       if (!dpc) {
-               printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
-               return;
-       }
 
        if (dpc->wait)
                acpi_os_wait_events_complete(NULL);
 
        dpc->function(dpc->context);
        kfree(dpc);
-
-       return;
 }
 
 /*******************************************************************************
@@ -739,9 +733,6 @@ static acpi_status __acpi_os_execute(acpi_execute_type type,
                          "Scheduling function [%p(%p)] for deferred execution.\n",
                          function, context));
 
-       if (!function)
-               return AE_BAD_PARAMETER;
-
        /*
         * Allocate/initialize DPC structure.  Note that this memory will be
         * freed by the callee.  The kernel handles the work_struct list  in a
@@ -1170,7 +1161,13 @@ int acpi_check_resource_conflict(struct resource *res)
                               res_list_elem->name,
                               (long long) res_list_elem->start,
                               (long long) res_list_elem->end);
-                       printk(KERN_INFO "ACPI: Device needs an ACPI driver\n");
+                       if (acpi_enforce_resources == ENFORCE_RESOURCES_LAX)
+                               printk(KERN_NOTICE "ACPI: This conflict may"
+                                      " cause random problems and system"
+                                      " instability\n");
+                       printk(KERN_INFO "ACPI: If an ACPI driver is available"
+                              " for this device, you should use it instead of"
+                              " the native driver\n");
                }
                if (acpi_enforce_resources == ENFORCE_RESOURCES_STRICT)
                        return -EBUSY;