From: K. Y. Srinivasan <kys@microsoft.com>
Date: Fri, 22 Apr 2011 21:55:22 +0000 (-0700)
Subject: Staging: hv: Cleanup blkvsc_open()
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=c4c58c583c1e21adc2b04316170c4fc355ab0123;p=deliverable%2Flinux.git

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 3060babedaba..bf8647e40897 100644
--- 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;
 }