diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 1d7bb16..0cc3c9b 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -14,6 +14,7 @@
 #include <linux/netdevice.h>
 #include <linux/rtnetlink.h>
 #include <linux/file.h> /* for fput */
+#include <net/netlink.h>
 #include <net/pkt_sched.h>
 #include <net/sock.h>
 
@@ -665,7 +666,7 @@
 	return skb->len;
 
 rtattr_failure:
-	skb_trim(skb,b-skb->data);
+	nlmsg_trim(skb, b);
 	return -1;
 }
 static int