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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-13 10:24:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-13 10:24:08 -0700
commita4dc32374ed6dd56e09039ea8b7151c3a3e2307d (patch)
treec1a5482db418ff1adb0135ac9d3abd01d138c2ad /drivers/base/devres.c
parent51feb98d2547a389be2f666514f5bcd658f79eab (diff)
parent38c7dc373029e4666b17850054dd43c1c96bb264 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: wm97xx_batery: replace driver_data with dev_get_drvdata() omap: video: remove direct access of driver_data Sound: remove direct access of driver_data driver model: fix show/store prototypes in doc. Firmware: firmware_class, fix lock imbalance Driver Core: remove BUS_ID_SIZE sparc: remove driver-core BUS_ID_SIZE partitions: fix broken uevent_suppress conversion devres: WARN() and return, don't crash on device_del() of uninitialized device
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 e8beb8e5b62..05dd307e8f0 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);