diff options
Diffstat (limited to 'drivers/s390/block/dasd_devmap.c')
| -rw-r--r-- | drivers/s390/block/dasd_devmap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 0ce84f0a4d7f..e943d9c48926 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -950,11 +950,14 @@ dasd_safe_offline_store(struct device *dev, struct device_attribute *attr, { struct ccw_device *cdev = to_ccwdev(dev); struct dasd_device *device; + unsigned long flags; int rc; - device = dasd_device_from_cdev(cdev); + spin_lock_irqsave(get_ccwdev_lock(cdev), flags); + device = dasd_device_from_cdev_locked(cdev); if (IS_ERR(device)) { rc = PTR_ERR(device); + spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); goto out; } @@ -962,12 +965,14 @@ dasd_safe_offline_store(struct device *dev, struct device_attribute *attr, test_bit(DASD_FLAG_SAFE_OFFLINE_RUNNING, &device->flags)) { /* Already doing offline processing */ dasd_put_device(device); + spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); rc = -EBUSY; goto out; } set_bit(DASD_FLAG_SAFE_OFFLINE, &device->flags); dasd_put_device(device); + spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); rc = ccw_device_set_offline(cdev); |