diff options
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/devres.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/devres.c b/drivers/base/devres.c index db1f3137fc81..dee48858663f 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -526,6 +526,10 @@ int devres_release_all(struct device *dev) if (WARN_ON(dev->devres_head.next == NULL)) return -ENODEV; + /* Nothing to release if list is empty */ + if (list_empty(&dev->devres_head)) + return 0; + spin_lock_irqsave(&dev->devres_lock, flags); cnt = remove_nodes(dev, dev->devres_head.next, &dev->devres_head, &todo); spin_unlock_irqrestore(&dev->devres_lock, flags); |