diff options
Diffstat (limited to 'device.c')
| -rw-r--r-- | device.c | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -41,6 +41,20 @@ const struct config_param_list device_attr_list = { .params = dev_attrs, }; +static int __devlock = 0; + +void device_lock(void) +{ + __devlock++; +} + +void device_unlock(void) +{ + __devlock--; + if (!__devlock) + device_free_unused(NULL); +} + static struct device * simple_device_create(const char *name, struct blob_attr *attr) { @@ -172,6 +186,8 @@ alias_notify_device(const char *name, struct device *dev) { struct alias_device *alias; + device_lock(); + alias = avl_find_element(&aliases, name, alias, avl); if (!alias) return; @@ -189,6 +205,8 @@ alias_notify_device(const char *name, struct device *dev) if (!dev && alias->dep.dev && !alias->dep.dev->active) device_remove_user(&alias->dep); + + device_unlock(); } static int set_device_state(struct device *dev, bool state) @@ -398,6 +416,7 @@ void device_remove_user(struct device_user *dep) if (!dep->dev) return; + dep->hotplug = false; if (dep->claimed) device_release(dep); |