---

yaml --- r: 199027 b: refs/heads/master c: c560d10 h: refs/heads/master i: 199025: 56c8fbe 199023: ada8e9f v: v3
git-mirror · May 26, 2010 · 48110a1 · 48110a1
1 parent fd646e1
commit 48110a1
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a65a3e82b5b5f8f70cc0d51498441585d5b381f1
+refs/heads/master: c560d105a197464603247bf55962fc7f23c8cb62
diff --git a/trunk/drivers/s390/cio/ccwgroup.c b/trunk/drivers/s390/cio/ccwgroup.c
@@ -123,8 +123,10 @@ ccwgroup_release (struct device *dev)
 
 	for (i = 0; i < gdev->count; i++) {
 		if (gdev->cdev[i]) {
+			spin_lock_irq(gdev->cdev[i]->ccwlock);
 			if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
 				dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
+			spin_unlock_irq(gdev->cdev[i]->ccwlock);
 			put_device(&gdev->cdev[i]->dev);
 		}
 	}
@@ -262,11 +264,14 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
 			goto error;
 		}
 		/* Don't allow a device to belong to more than one group. */
+		spin_lock_irq(gdev->cdev[i]->ccwlock);
 		if (dev_get_drvdata(&gdev->cdev[i]->dev)) {
+			spin_unlock_irq(gdev->cdev[i]->ccwlock);
 			rc = -EINVAL;
 			goto error;
 		}
 		dev_set_drvdata(&gdev->cdev[i]->dev, gdev);
+		spin_unlock_irq(gdev->cdev[i]->ccwlock);
 	}
 	/* Check for sufficient number of bus ids. */
 	if (i < num_devices && !curr_buf) {
@@ -303,8 +308,10 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id,
 error:
 	for (i = 0; i < num_devices; i++)
 		if (gdev->cdev[i]) {
+			spin_lock_irq(gdev->cdev[i]->ccwlock);
 			if (dev_get_drvdata(&gdev->cdev[i]->dev) == gdev)
 				dev_set_drvdata(&gdev->cdev[i]->dev, NULL);
+			spin_unlock_irq(gdev->cdev[i]->ccwlock);
 			put_device(&gdev->cdev[i]->dev);
 			gdev->cdev[i] = NULL;
 		}