Staging: hv: Cleanup blkvsc_open()

Given that we don't support removable media, cleanup blkvsc_open().

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 3060bab..bf8647e 100644 (file)
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -255,20 +255,12 @@ static int blkvsc_open(struct block_device *bdev, fmode_t mode)
 {
        struct block_device_context *blkdev = bdev->bd_disk->private_data;
 
-
-       mutex_lock(&blkvsc_mutex);
        spin_lock(&blkdev->lock);
 
-       if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
-               spin_unlock(&blkdev->lock);
-               check_disk_change(bdev);
-               spin_lock(&blkdev->lock);
-       }
-
        blkdev->users++;
 
        spin_unlock(&blkdev->lock);
-       mutex_unlock(&blkvsc_mutex);
+
        return 0;
 }