diff options
Diffstat (limited to 'drivers/s390/block')
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 01fcdd91b84..db85f1fb131 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -384,6 +384,10 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char * get minor, add to list */ down_write(&dcssblk_devices_sem); + if (dcssblk_get_segment_by_name(local_buf)) { + rc = -EEXIST; + goto release_gd; + } rc = dcssblk_assign_free_minor(dev_info); if (rc) { up_write(&dcssblk_devices_sem); |