[media] em28xx: move printk lines outside mutex lock

There's no reason to still be holding the device list mutex for either of these
printk statements.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/em28xx/em28xx-core.c

@@ -1210,8 +1210,8 @@ int em28xx_register_extension(struct em28xx_ops *ops)
 	list_for_each_entry(dev, &em28xx_devlist, devlist) {
 		ops->init(dev);
 	}
-	printk(KERN_INFO "Em28xx: Initialized (%s) extension\n", ops->name);
 	mutex_unlock(&em28xx_devlist_mutex);
+	printk(KERN_INFO "Em28xx: Initialized (%s) extension\n", ops->name);
 	return 0;
 }
 EXPORT_SYMBOL(em28xx_register_extension);
@@ -1224,9 +1224,9 @@ void em28xx_unregister_extension(struct em28xx_ops *ops)
 	list_for_each_entry(dev, &em28xx_devlist, devlist) {
 		ops->fini(dev);
 	}
-	printk(KERN_INFO "Em28xx: Removed (%s) extension\n", ops->name);
 	list_del(&ops->next);
 	mutex_unlock(&em28xx_devlist_mutex);
+	printk(KERN_INFO "Em28xx: Removed (%s) extension\n", ops->name);
 }
 EXPORT_SYMBOL(em28xx_unregister_extension);