diff options
Diffstat (limited to 'fs/overlayfs/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 0bbbe4818f67..4ab66e3d4cff 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -439,8 +439,10 @@ static bool ovl_workdir_ok(struct dentry *workdir, struct dentry *upperdir) bool ok = false; if (workdir != upperdir) { - ok = (lock_rename(workdir, upperdir) == NULL); - unlock_rename(workdir, upperdir); + struct dentry *trap = lock_rename(workdir, upperdir); + if (!IS_ERR(trap)) + unlock_rename(workdir, upperdir); + ok = (trap == NULL); } return ok; } |