diff options
author | Liu Bo <bo.li.liu@oracle.com> | 2013-09-29 10:33:16 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-20 07:45:12 -0800 |
commit | fb5834ff2b2823e1eaecd920e2ade3e07f4a42f9 (patch) | |
tree | af2fc672caf897280b39d2eb1ad4a4f11704e2f7 /fs/btrfs | |
parent | 2845c3628961c64e8e3fd6987234a818cfeadb35 (diff) |
Btrfs: fix memory leak of chunks' extent map
commit 7d3d1744f8a7d62e4875bd69cc2192a939813880 upstream.
As we're hold a ref on looking up the extent map, we need to drop the ref
before returning to callers.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs')
-rw-r--r-- | fs/btrfs/volumes.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 8bffb9174afb..b6c23c4abae2 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4248,6 +4248,7 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) btrfs_emerg(fs_info, "Invalid mapping for %Lu-%Lu, got " "%Lu-%Lu\n", logical, logical+len, em->start, em->start + em->len); + free_extent_map(em); return 1; } @@ -4429,6 +4430,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, " "found %Lu-%Lu\n", logical, em->start, em->start + em->len); + free_extent_map(em); return -EINVAL; } |