patch-2.4.27 linux-2.4.27/net/sched/sch_dsmark.c

• Lines: 10
• Date: 2004-08-07 16:26:07.083446586 -0700
• Orig file: linux-2.4.26/net/sched/sch_dsmark.c
• Orig date: 2004-02-18 05:36:32.000000000 -0800

diff -urN linux-2.4.26/net/sched/sch_dsmark.c linux-2.4.27/net/sched/sch_dsmark.c
@@ -324,7 +324,8 @@
 	__u16 tmp;
 
 	DPRINTK("dsmark_init(sch %p,[qdisc %p],opt %p)\n",sch,p,opt);
-	if (rtattr_parse(tb,TCA_DSMARK_MAX,RTA_DATA(opt),RTA_PAYLOAD(opt)) < 0 ||
+	if (!opt ||
+	    rtattr_parse(tb,TCA_DSMARK_MAX,RTA_DATA(opt),RTA_PAYLOAD(opt)) < 0 ||
 	    !tb[TCA_DSMARK_INDICES-1] ||
 	    RTA_PAYLOAD(tb[TCA_DSMARK_INDICES-1]) < sizeof(__u16))
                 return -EINVAL;