ovl: remove not used argument in ovl_check_origin

ovl_check_origin outparam 'ctrp' argument not used by caller. So remove this argument. Signed-off-by: youngjun <[email protected]> Reviewed-by: Amir Goldstein <[email protected]> Signed-off-by: Miklos Szeredi <[email protected]>
renliguo · Jul 15, 2020 · d78a0dc · d78a0dc
1 parent 5ac8e80
commit d78a0dc
Showing 1 changed file with 2 additions and 9 deletions.
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
@@ -389,7 +389,7 @@ int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, bool connected,
 }
 
 static int ovl_check_origin(struct ovl_fs *ofs, struct dentry *upperdentry,
-			    struct ovl_path **stackp, unsigned int *ctrp)
+			    struct ovl_path **stackp)
 {
 	struct ovl_fh *fh = ovl_get_fh(upperdentry, OVL_XATTR_ORIGIN);
 	int err;
@@ -406,10 +406,6 @@ static int ovl_check_origin(struct ovl_fs *ofs, struct dentry *upperdentry,
 		return err;
 	}
 
-	if (WARN_ON(*ctrp))
-		return -EIO;
-
-	*ctrp = 1;
 	return 0;
 }
 
@@ -861,8 +857,6 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
 			goto out;
 		}
 		if (upperdentry && !d.is_dir) {
-			unsigned int origin_ctr = 0;
-
 			/*
 			 * Lookup copy up origin by decoding origin file handle.
 			 * We may get a disconnected dentry, which is fine,
@@ -873,8 +867,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
 			 * number - it's the same as if we held a reference
 			 * to a dentry in lower layer that was moved under us.
 			 */
-			err = ovl_check_origin(ofs, upperdentry, &origin_path,
-					       &origin_ctr);
+			err = ovl_check_origin(ofs, upperdentry, &origin_path);
 			if (err)
 				goto out_put_upper;