Merge branch 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

[pandora-kernel.git] / drivers / base / devres.c

diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index e1c0730..05dd307 100644 (file)
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -10,6 +10,8 @@
 #include <linux/device.h>
 #include <linux/module.h>
 
+#include "base.h"
+
 struct devres_node {
        struct list_head                entry;
        dr_release_t                    release;
@@ -426,6 +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);