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-rw-r--r--drivers/base/devres.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index e8beb8e5b62..05dd307e8f0 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -428,6 +428,9 @@ int devres_release_all(struct device *dev)
428{ 428{
429 unsigned long flags; 429 unsigned long flags;
430 430
431 /* Looks like an uninitialized device structure */
432 if (WARN_ON(dev->devres_head.next == NULL))
433 return -ENODEV;
431 spin_lock_irqsave(&dev->devres_lock, flags); 434 spin_lock_irqsave(&dev->devres_lock, flags);
432 return release_nodes(dev, dev->devres_head.next, &dev->devres_head, 435 return release_nodes(dev, dev->devres_head.next, &dev->devres_head,
433 flags); 436 flags);