diff options
Diffstat (limited to 'fs/overlayfs/namei.c')
-rw-r--r-- | fs/overlayfs/namei.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index 24bd387321d1..810a333d2221 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -180,7 +180,8 @@ invalid: goto out; } -struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt) +struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt, + bool connected) { struct dentry *real; int bytes; @@ -195,7 +196,7 @@ struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt) bytes = (fh->len - offsetof(struct ovl_fh, fid)); real = exportfs_decode_fh(mnt, (struct fid *)fh->fid, bytes >> 2, (int)fh->type, - ovl_acceptable, mnt); + connected ? ovl_acceptable : NULL, mnt); if (IS_ERR(real)) { /* * Treat stale file handle to lower file as "origin unknown". @@ -319,14 +320,15 @@ static int ovl_lookup_layer(struct dentry *base, struct ovl_lookup_data *d, } -int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, +int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, bool connected, struct dentry *upperdentry, struct ovl_path **stackp) { struct dentry *origin = NULL; int i; for (i = 0; i < ofs->numlower; i++) { - origin = ovl_decode_real_fh(fh, ofs->lower_layers[i].mnt); + origin = ovl_decode_real_fh(fh, ofs->lower_layers[i].mnt, + connected); if (origin) break; } @@ -370,7 +372,7 @@ static int ovl_check_origin(struct ovl_fs *ofs, struct dentry *upperdentry, if (IS_ERR_OR_NULL(fh)) return PTR_ERR(fh); - err = ovl_check_origin_fh(ofs, fh, upperdentry, stackp); + err = ovl_check_origin_fh(ofs, fh, false, upperdentry, stackp); kfree(fh); if (err) { @@ -460,7 +462,7 @@ struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index) if (IS_ERR_OR_NULL(fh)) return ERR_CAST(fh); - upper = ovl_decode_real_fh(fh, ofs->upper_mnt); + upper = ovl_decode_real_fh(fh, ofs->upper_mnt, true); kfree(fh); if (IS_ERR_OR_NULL(upper)) @@ -567,7 +569,7 @@ int ovl_verify_index(struct ovl_fs *ofs, struct dentry *index) /* Check if non-dir index is orphan and don't warn before cleaning it */ if (!d_is_dir(index) && d_inode(index)->i_nlink == 1) { - err = ovl_check_origin_fh(ofs, fh, index, &stack); + err = ovl_check_origin_fh(ofs, fh, false, index, &stack); if (err) goto fail; |