Index: kern_resource.c
===================================================================
RCS file: /cvsroot/src/sys/kern/kern_resource.c,v
retrieving revision 1.164
diff -p -u -r1.164 kern_resource.c
--- kern_resource.c	14 May 2011 17:57:05 -0000	1.164
+++ kern_resource.c	17 May 2011 06:42:31 -0000
@@ -825,7 +825,7 @@ sysctl_proc_corename(SYSCTLFN_ARGS)
 
 	cnbuf = PNBUF_GET();
 
-	if (newp == NULL) {
+	if (oldp) {
 		/* Get case: copy the core name into the buffer. */
 		error = kauth_authorize_process(l->l_cred,
 		    KAUTH_PROCESS_CORENAME, p,
@@ -837,7 +837,8 @@ sysctl_proc_corename(SYSCTLFN_ARGS)
 		mutex_enter(&lim->pl_lock);
 		strlcpy(cnbuf, lim->pl_corename, MAXPATHLEN);
 		mutex_exit(&lim->pl_lock);
-	} else {
+	}
+	if (newp) {
 		/* Set case: just use the temporary buffer. */
 		error = kauth_authorize_process(l->l_cred,
 		    KAUTH_PROCESS_CORENAME, p,