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| author | Eric Sandeen <sandeen@redhat.com> | 2014-08-17 15:09:21 -0500 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2014-08-21 07:55:29 -0700 |
| commit | a3c108950d8e0bfcf48856cc159956022a7ad925 (patch) | |
| tree | e158d7b90824bea47a772c2386487aec62a2de3b /fs/btrfs | |
| parent | 51f395ad4058883e4273b02fdebe98072dbdc0d2 (diff) | |
| download | op-kernel-dev-a3c108950d8e0bfcf48856cc159956022a7ad925.zip op-kernel-dev-a3c108950d8e0bfcf48856cc159956022a7ad925.tar.gz | |
btrfs: fix leak in qgroup_subtree_accounting() error path
Coverity pointed this out; in the newly added
qgroup_subtree_accounting(), if btrfs_find_all_roots()
returns an error, we leak at least the parents pointer,
and possibly the roots pointer, depending on what failure
occurs.
If btrfs_find_all_roots() returns an error, we need to
free up all allocations before we return. "roots" is
initialized to NULL, so it should be safe to free
it unconditionally (ulist_free() handles that case).
Cc: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/qgroup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index b497498..8abe455 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1973,7 +1973,7 @@ static int qgroup_subtree_accounting(struct btrfs_trans_handle *trans, elem.seq, &roots); btrfs_put_tree_mod_seq(fs_info, &elem); if (ret < 0) - return ret; + goto out; if (roots->nnodes != 1) goto out; |
