From 76af82ee7a64e417867c5b8e585a724aa4156c68 Mon Sep 17 00:00:00 2001
From: hien <hien>
Date: Wed, 28 Jun 2006 21:22:22 +0000
Subject: Fixed unlink

---
 tapset/syscalls2.stp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tapset/syscalls2.stp b/tapset/syscalls2.stp
index 4ad9d1b3..49f7cc79 100644
--- a/tapset/syscalls2.stp
+++ b/tapset/syscalls2.stp
@@ -2159,7 +2159,10 @@ probe syscall.uname.return = kernel.function("sys_uname").return {
 probe syscall.unlink = kernel.function("sys_unlink") {
 	name = "unlink"
 	pathname_uaddr = $pathname
-	pathname = user_string($pathname)
+	if ($pathname > 0)
+		pathname = user_string($pathname)
+	else
+		pathname = "null"
 	argstr = sprintf("\"%s\"",pathname)
 }
 probe syscall.unlink.return = kernel.function("sys_unlink").return {
-- 
cgit