[ 3.8.y.z extended stable ] Patch "drbd: fix memory leak" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    drbd: fix memory leak

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.2.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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>From ffa5f87935e528a2609d00ed366ab2a4a0e6e0f6 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg at linbit.com>
Date: Wed, 27 Mar 2013 14:08:42 +0100
Subject: drbd: fix memory leak

commit 94ad0a101415978be04945b2787be1e8e8a874db upstream.

We forgot to free the disk_conf,
so for each attach/detach cycle we leaked 336 bytes.

Signed-off-by: Philipp Reisner <philipp.reisner at linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg at linbit.com>
Signed-off-by: Jens Axboe <axboe at kernel.dk>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/block/drbd/drbd_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 8c13eeb..f68fb74 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2798,6 +2798,7 @@ void drbd_free_bc(struct drbd_backing_dev *ldev)
 	blkdev_put(ldev->backing_bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
 	blkdev_put(ldev->md_bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);

+	kfree(ldev->disk_conf);
 	kfree(ldev);
 }

--
1.8.1.2