diff options
Diffstat (limited to 'drivers/s390/block/dasd_devmap.c')
| -rw-r--r-- | drivers/s390/block/dasd_devmap.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 4cac5b54f26a..d49766f3b940 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -874,12 +874,19 @@ dasd_discipline_show(struct device *dev, struct device_attribute *attr, ssize_t len; device = dasd_device_from_cdev(to_ccwdev(dev)); - if (!IS_ERR(device) && device->discipline) { + if (IS_ERR(device)) + goto out; + else if (!device->discipline) { + dasd_put_device(device); + goto out; + } else { len = snprintf(buf, PAGE_SIZE, "%s\n", device->discipline->name); dasd_put_device(device); - } else - len = snprintf(buf, PAGE_SIZE, "none\n"); + return len; + } +out: + len = snprintf(buf, PAGE_SIZE, "none\n"); return len; } |