ovl: remove unused arg from ovl_lookup_temp()

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index f92ab35..843ed2a 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -346,7 +346,7 @@
 	if (tmpfile)
 		temp = ovl_do_tmpfile(upperdir, stat->mode);
 	else
-		temp = ovl_lookup_temp(workdir, dentry);
+		temp = ovl_lookup_temp(workdir);
 	err = 0;
 	if (IS_ERR(temp)) {
 		err = PTR_ERR(temp);
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 80e0e20..369ee7c 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -41,7 +41,7 @@
 	}
 }
 
-struct dentry *ovl_lookup_temp(struct dentry *workdir, struct dentry *dentry)
+struct dentry *ovl_lookup_temp(struct dentry *workdir)
 {
 	struct dentry *temp;
 	char name[20];
@@ -68,7 +68,7 @@
 	struct dentry *whiteout;
 	struct inode *wdir = workdir->d_inode;
 
-	whiteout = ovl_lookup_temp(workdir, dentry);
+	whiteout = ovl_lookup_temp(workdir);
 	if (IS_ERR(whiteout))
 		return whiteout;
 
@@ -261,7 +261,7 @@
 	if (upper->d_parent->d_inode != udir)
 		goto out_unlock;
 
-	opaquedir = ovl_lookup_temp(workdir, dentry);
+	opaquedir = ovl_lookup_temp(workdir);
 	err = PTR_ERR(opaquedir);
 	if (IS_ERR(opaquedir))
 		goto out_unlock;
@@ -393,7 +393,7 @@
 	if (err)
 		goto out;
 
-	newdentry = ovl_lookup_temp(workdir, dentry);
+	newdentry = ovl_lookup_temp(workdir);
 	err = PTR_ERR(newdentry);
 	if (IS_ERR(newdentry))
 		goto out_unlock;
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 505b18b..7c56932 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -262,7 +262,7 @@
 
 /* dir.c */
 extern const struct inode_operations ovl_dir_inode_operations;
-struct dentry *ovl_lookup_temp(struct dentry *workdir, struct dentry *dentry);
+struct dentry *ovl_lookup_temp(struct dentry *workdir);
 struct cattr {
 	dev_t rdev;
 	umode_t mode;