dentry = lookup_hash(&nd->last, nd->dentry); 
dentry = lookup_hash(nd); 
rpc_lookup_negative(char *path, struct nameidata *nd){	struct dentry *dentry;	struct inode *dir;	int error;	if ((error = rpc_lookup_parent(path, nd)) != 0)		return ERR_PTR(error);	dir = nd->dentry->d_inode;	down(&dir->i_sem);	dentry = lookup_hash(&nd->last, nd->dentry);	if (IS_ERR(dentry))		goto out_err;	if (dentry->d_inode) {		dput(dentry);		dentry = ERR_PTR(-EEXIST);		goto out_err;	}	return dentry;out_err:	up(&dir->i_sem);	rpc_release_path(nd);	return dentry;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/49705b7743fd8f5632a95ec4c6547d169d27ac1f/rpc_pipe.c/buggy/net/sunrpc/rpc_pipe.c