diff options
Diffstat (limited to 'fs/overlayfs/dir.c')
| -rw-r--r-- | fs/overlayfs/dir.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 1fefb2b8960e..f18490813170 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -137,8 +137,7 @@ kill_whiteout: goto out; } -static int ovl_mkdir_real(struct inode *dir, struct dentry **newdentry, - umode_t mode) +int ovl_mkdir_real(struct inode *dir, struct dentry **newdentry, umode_t mode) { int err; struct dentry *d, *dentry = *newdentry; @@ -1219,9 +1218,13 @@ static int ovl_rename(struct user_namespace *mnt_userns, struct inode *olddir, goto out_dput; } } else { - if (!d_is_negative(newdentry) && - (!new_opaque || !ovl_is_whiteout(newdentry))) - goto out_dput; + if (!d_is_negative(newdentry)) { + if (!new_opaque || !ovl_is_whiteout(newdentry)) + goto out_dput; + } else { + if (flags & RENAME_EXCHANGE) + goto out_dput; + } } if (olddentry == trap) |