linux-kernel - [PATCH 01/75] drbd: fix memory leak

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Message-Id: <1370364959-9475-2-git-send-email-kamal@canonical.com>
Date:	Tue,  4 Jun 2013 09:54:45 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Philipp Reisner <philipp.reisner@...bit.com>,
	Lars Ellenberg <lars.ellenberg@...bit.com>,
	Jens Axboe <axboe@...nel.dk>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 01/75] drbd: fix memory leak

3.8.13.2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lars Ellenberg <lars.ellenberg@...bit.com>

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@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
Signed-off-by: Jens Axboe <axboe@...nel.dk>
Signed-off-by: Kamal Mostafa <kamal@...onical.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

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