From: Anand Jain <Anand.Jain@oracle.com>
Date: Wed, 13 Aug 2014 06:24:23 +0000 (+0800)
Subject: btrfs: fix memory leak when there is no more seed device
X-Git-Tag: v3.18-rc1~91^2~71
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8bef8401a04ae1937f3330484c2d7a8c6b9b9897;p=karo-tx-linux.git

btrfs: fix memory leak when there is no more seed device

When we replace all the seed device in the system there is
no point in just keeping the btrfs_fs_devices with out
any device

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
---

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 27a14f1c5a7c..94a0d186de4c 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1868,6 +1868,8 @@ void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info,
 			tmp_fs_devices = tmp_fs_devices->seed;
 		}
 		fs_devices->seed = NULL;
+		__btrfs_close_devices(fs_devices);
+		free_fs_devices(fs_devices);
 	}
 }