* CDDL HEADER END
*/
/*
- * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
-
/*
* This file contains the code to implement file range locking in
* ZFS, although there isn't much specific to ZFS (all that comes to mind
new = kmem_alloc(sizeof (rl_t), KM_SLEEP);
new->r_zp = zp;
new->r_off = off;
+ if (len + off < off) /* overflow */
+ len = UINT64_MAX - off;
new->r_len = len;
new->r_cnt = 1; /* assume it's going to be in the tree */
new->r_type = type;