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-rw-r--r--drivers/base/bus.c17
-rw-r--r--drivers/base/platform.c6
-rw-r--r--include/linux/device.h4
3 files changed, 19 insertions, 8 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 973bf2ad4e0d..63c143e54a57 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -689,15 +689,19 @@ int bus_add_driver(struct device_driver *drv)
printk(KERN_ERR "%s: driver_add_attrs(%s) failed\n",
__func__, drv->name);
}
- error = add_bind_files(drv);
- if (error) {
- /* Ditto */
- printk(KERN_ERR "%s: add_bind_files(%s) failed\n",
- __func__, drv->name);
+
+ if (!drv->suppress_bind_attrs) {
+ error = add_bind_files(drv);
+ if (error) {
+ /* Ditto */
+ printk(KERN_ERR "%s: add_bind_files(%s) failed\n",
+ __func__, drv->name);
+ }
}
kobject_uevent(&priv->kobj, KOBJ_ADD);
return 0;
+
out_unregister:
kfree(drv->p);
drv->p = NULL;
@@ -720,7 +724,8 @@ void bus_remove_driver(struct device_driver *drv)
if (!drv->bus)
return;
- remove_bind_files(drv);
+ if (!drv->suppress_bind_attrs)
+ remove_bind_files(drv);
driver_remove_attrs(drv->bus, drv);
driver_remove_file(drv, &driver_attr_uevent);
klist_remove(&drv->p->knode_bus);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index ed156a13aa40..4fa954b07ac4 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -521,11 +521,15 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv,
{
int retval, code;
+ /* make sure driver won't have bind/unbind attributes */
+ drv->driver.suppress_bind_attrs = true;
+
/* temporary section violation during probe() */
drv->probe = probe;
retval = code = platform_driver_register(drv);
- /* Fixup that section violation, being paranoid about code scanning
+ /*
+ * Fixup that section violation, being paranoid about code scanning
* the list of drivers in order to probe new devices. Check to see
* if the probe was successful, and make sure any forced probes of
* new devices fail.
diff --git a/include/linux/device.h b/include/linux/device.h
index aca31bf7d8ed..2ea3e4921812 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -124,7 +124,9 @@ struct device_driver {
struct bus_type *bus;
struct module *owner;
- const char *mod_name; /* used for built-in modules */
+ const char *mod_name; /* used for built-in modules */
+
+ bool suppress_bind_attrs; /* disables bind/unbind via sysfs */
int (*probe) (struct device *dev);
int (*remove) (struct device *dev);