[PATCH] ovl: remove not used argument in ovl_check_origin

From: youngjun <her0gyugyu@gmail.com>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: linux-unionfs@vger.kernel.org, youngjun <her0gyugyu@gmail.com>
Subject: [PATCH] ovl: remove not used argument in ovl_check_origin
Date: Sun, 21 Jun 2020 05:50:01 -0700	[thread overview]
Message-ID: <20200621125001.65428-1-her0gyugyu@gmail.com> (raw)

ovl_check_origin outparam 'ctrp' argument
not used by caller. So, remove this argument
from ovl_check_origin.

Signed-off-by: youngjun <her0gyugyu@gmail.com>
---
 fs/overlayfs/namei.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 3566282a9199..3cad68c3efb2 100644
--- 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;
 
-- 
2.17.1

