Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

[pandora-kernel.git] / drivers / s390 / cio / ccwgroup.c

diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index e0ce65f..9a50f24 100644 (file)
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -113,7 +113,8 @@ ccwgroup_release (struct device *dev)
 
        for (i = 0; i < gdev->count; i++) {
                if (gdev->cdev[i]) {
-                       dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
+                       if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
+                               dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
                        put_device(&gdev->cdev[i]->dev);
                }
        }
@@ -296,6 +297,7 @@ error:
                        if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
                                dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
                        put_device(&gdev->cdev[i]->dev);
+                       gdev->cdev[i] = NULL;
                }
        mutex_unlock(&gdev->reg_mutex);
        put_device(&gdev->dev);