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-rw-r--r--drivers/s390/block/dasd_ioctl.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 74ed5f4dd5e0..fafeeae52675 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -421,8 +421,15 @@ dasd_ioctl_information(struct block_device *bdev, int no, long args)
dasd_info->cu_model = cdev->id.cu_model;
dasd_info->dev_type = cdev->id.dev_type;
dasd_info->dev_model = cdev->id.dev_model;
- dasd_info->open_count = atomic_read(&device->open_count);
dasd_info->status = device->state;
+ /*
+ * The open_count is increased for every opener, that includes
+ * the blkdev_get in dasd_scan_partitions.
+ * This must be hidden from user-space.
+ */
+ dasd_info->open_count = atomic_read(&device->open_count);
+ if (!device->bdev)
+ dasd_info->open_count++;
/*
* check if device is really formatted