summaryrefslogtreecommitdiff
path: root/drivers/base/devres.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2009-08-14 15:59:00 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-08-14 15:59:30 +0200
commit4cd1993f0046fbc765dbf20af90966f5661e3789 (patch)
tree8772c03b73159524183f08337b134503ddf8479e /drivers/base/devres.c
parent97fd9ed48ce2b807edc363bef3e817aeeb5cd5e6 (diff)
parent64f1607ffbbc772685733ea63e6f7f4183df1b16 (diff)
downloadlwn-4cd1993f0046fbc765dbf20af90966f5661e3789.tar.gz
lwn-4cd1993f0046fbc765dbf20af90966f5661e3789.zip
Merge branch 'linus' into timers/core
Reason: Martin's timekeeping cleanup series depends on both timers/core and mainline changes. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/base/devres.c')
-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 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);