diff options
author | Jeff Mahoney <jeffm@suse.com> | 2017-05-17 09:49:37 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-14 12:54:19 +0200 |
commit | 167d652e194eb628f132055b01b40e80e7802060 (patch) | |
tree | 1679aa3ae60635f247dd10b6706f9f1e9f497323 /fs/btrfs | |
parent | 0ff6be8f9e7b575547a852f9c77dc6f7dd138c2e (diff) |
btrfs: fix memory leak in update_space_info failure path
commit 896533a7da929136d0432713f02a3edffece2826 upstream.
If we fail to add the space_info kobject, we'll leak the memory
for the percpu counter.
Fixes: 6ab0a2029c (btrfs: publish allocation data in sysfs)
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/extent-tree.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a067065efa6b..04627051c9f4 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3509,6 +3509,7 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags, info->space_info_kobj, "%s", alloc_name(found->flags)); if (ret) { + percpu_counter_destroy(&found->total_bytes_pinned); kfree(found); return ret; } |