diff options
Diffstat (limited to 'fs/overlayfs/namei.c')
| -rw-r--r-- | fs/overlayfs/namei.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index a35c5eaa2c01..741a42d974a3 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -310,9 +310,8 @@ static int ovl_lookup_layer(struct dentry *base, struct ovl_lookup_data *d, } -static int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, - struct dentry *upperdentry, - struct ovl_path **stackp) +int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, + struct dentry *upperdentry, struct ovl_path **stackp) { struct dentry *origin = NULL; int i; @@ -328,7 +327,7 @@ static int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, else if (IS_ERR(origin)) return PTR_ERR(origin); - if (!ovl_is_whiteout(upperdentry) && + if (upperdentry && !ovl_is_whiteout(upperdentry) && ((d_inode(origin)->i_mode ^ d_inode(upperdentry)->i_mode) & S_IFMT)) goto invalid; |