Thread (4 messages) 4 messages, 3 authors, 2012-02-21

Re: [Xen-devel] [PATCH] blkfront: don't put bdev right after getting it

From: Konrad Rzeszutek Wilk <hidden>
Date: 2012-02-16 19:44:22
Also in: xen-devel

On Thu, Feb 16, 2012 at 01:16:25PM +0100, Andrew Jones wrote:
We should hang onto bdev until we're done with it.
Looks ok. Is there a BZ that sparked this? Thanks.
quoted hunk ↗ jump to hunk
Signed-off-by: Andrew Jones <redacted>
---
 drivers/block/xen-blkfront.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 2f22874..5d45688 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1410,7 +1410,6 @@ static int blkif_release(struct gendisk *disk, fmode_t mode)
 	mutex_lock(&blkfront_mutex);
 
 	bdev = bdget_disk(disk, 0);
-	bdput(bdev);
 
 	if (bdev->bd_openers)
 		goto out;
@@ -1441,6 +1440,7 @@ static int blkif_release(struct gendisk *disk, fmode_t mode)
 	}
 
 out:
+	bdput(bdev);
 	mutex_unlock(&blkfront_mutex);
 	return 0;
 }
-- 
1.7.7.5


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