From 09b9470fe5ef620047b0af88dde526bf8146f26f Mon Sep 17 00:00:00 2001
From: wenji <wenji>
Date: Fri, 17 Aug 2007 09:39:08 +0000
Subject: 2007-08-17  Wenji Huang  <wenji.huang@oracle.com>

        * ioscheduler.stp (ioscheduler.elv_add_request,
        ioscheduler.elv_completed_request): Add checking $rq.

        * memory.stp (_IS_ZERO_PAGE): Modify reference to arguments.
---
 tapset/ioscheduler.stp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'tapset/ioscheduler.stp')

diff --git a/tapset/ioscheduler.stp b/tapset/ioscheduler.stp
index 49be6217..017bcc27 100644
--- a/tapset/ioscheduler.stp
+++ b/tapset/ioscheduler.stp
@@ -71,9 +71,9 @@ probe ioscheduler.elv_add_request
 
 	req = $rq
 %( kernel_v >= "2.6.19" %?
-	req_flags = $rq->cmd_flags
+	req_flags = $rq==0? 0:$rq->cmd_flags
 %:
-	req_flags = $rq->flags
+	req_flags = $rq==0? 0:$rq->flags
 %)
 }
 
@@ -101,9 +101,9 @@ probe ioscheduler.elv_completed_request
 
 	req = $rq
 %( kernel_v >= "2.6.19" %?
-	req_flags = $rq->cmd_flags
+	req_flags = $rq==0? 0:$rq->cmd_flags
 %:
-	req_flags = $rq->flags
+	req_flags = $rq==0? 0:$rq->flags
 %)
 }
 
-- 
cgit