Merge branches 'cma', 'cxgb3', 'ehca', 'ipath', 'ipoib', 'mad', 'misc', 'mlx4', ...

[safe/jmp/linux-2.6] / drivers / s390 / block / dcssblk.c

diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c
index 01fcdd9..711b300 100644 (file)
--- a/drivers/s390/block/dcssblk.c
+++ b/drivers/s390/block/dcssblk.c
@@ -384,6 +384,11 @@ 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_device_by_name(local_buf)) {
+               up_write(&dcssblk_devices_sem);
+               rc = -EEXIST;
+               goto unload_seg;
+       }
        rc = dcssblk_assign_free_minor(dev_info);
        if (rc) {
                up_write(&dcssblk_devices_sem);