diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index 07304a3b9ee2..cadf165651d8 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -805,8 +805,16 @@ static void cleanup_device_parent(struct device *dev) static int device_add_class_symlinks(struct device *dev) { + struct device_node *of_node = dev_of_node(dev); int error; + if (of_node) { + error = sysfs_create_link(&dev->kobj, &of_node->kobj,"of_node"); + if (error) + dev_warn(dev, "Error %d creating of_node link\n",error); + /* An error here doesn't warrant bringing down the device */ + } + if (!dev->class) return 0; @@ -814,7 +822,7 @@ static int device_add_class_symlinks(struct device *dev) &dev->class->p->subsys.kobj, "subsystem"); if (error) - goto out; + goto out_devnode; if (dev->parent && device_is_not_partition(dev)) { error = sysfs_create_link(&dev->kobj, &dev->parent->kobj, @@ -842,12 +850,16 @@ out_device: out_subsys: sysfs_remove_link(&dev->kobj, "subsystem"); -out: +out_devnode: + sysfs_remove_link(&dev->kobj, "of_node"); return error; } static void device_remove_class_symlinks(struct device *dev) { + if (dev_of_node(dev)) + sysfs_remove_link(&dev->kobj, "of_node"); + if (!dev->class) return; @@ -1095,8 +1107,7 @@ done: kobject_del(&dev->kobj); Error: cleanup_device_parent(dev); - if (parent) - put_device(parent); + put_device(parent); name_error: kfree(dev->p); dev->p = NULL; |