Merge branch 'linus' into tracing/core

Merge reason: tracing/core was on an older, pre-rc1 base.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index e8beb8e5b626..05dd307e8f02 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -428,6 +428,9 @@ int devres_release_all(struct device *dev)
 {
         unsigned long flags;
 
+        /* Looks like an uninitialized device structure */
+        if (WARN_ON(dev->devres_head.next == NULL))
+                return -ENODEV;
         spin_lock_irqsave(&dev->devres_lock, flags);
         return release_nodes(dev, dev->devres_head.next, &dev->devres_head,
                              flags);