Index: kern_resource.c
===================================================================
RCS file: /usr/repo/src/sys/kern/kern_resource.c,v
retrieving revision 1.180
diff -u -p -r1.180 kern_resource.c
--- kern_resource.c	17 Jul 2007 01:08:09 -0000	1.180
+++ kern_resource.c	30 Sep 2007 08:06:20 -0000
@@ -190,7 +190,8 @@ setpriority(td, uap)
 			p = pfind(uap->who);
 			if (p == 0)
 				break;
-			if (p_cansee(td, p) == 0)
+			error = p_cansee(td, p);
+			if (error == 0)
 				error = donice(td, p, uap->prio);
 			PROC_UNLOCK(p);
 		}