1 files changed, 22 insertions, 4 deletions

diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index fed47b658837..af68e1e83251 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -46,6 +46,18 @@ static struct tcf_hashinfo police_hash_info = {
         .lock   =       &police_lock,
 };
 
+/* old policer structure from before tc actions */
+struct tc_police_compat
+{
+        u32                     index;
+        int                     action;
+        u32                     limit;
+        u32                     burst;
+        u32                     mtu;
+        struct tc_ratespec      rate;
+        struct tc_ratespec      peakrate;
+};
+
 /* Each policer is serialized by its individual spinlock */
 
 #ifdef CONFIG_NET_CLS_ACT
@@ -131,12 +143,15 @@ static int tcf_act_police_locate(struct rtattr *rta, struct rtattr *est,
         struct tc_police *parm;
         struct tcf_police *police;
         struct qdisc_rate_table *R_tab = NULL, *P_tab = NULL;
+        int size;
 
         if (rta == NULL || rtattr_parse_nested(tb, TCA_POLICE_MAX, rta) < 0)
                 return -EINVAL;
 
-        if (tb[TCA_POLICE_TBF-1] == NULL ||
-            RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]) != sizeof(*parm))
+        if (tb[TCA_POLICE_TBF-1] == NULL)
+                return -EINVAL;
+        size = RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]);
+        if (size != sizeof(*parm) && size != sizeof(struct tc_police_compat))
                 return -EINVAL;
         parm = RTA_DATA(tb[TCA_POLICE_TBF-1]);
 
@@ -415,12 +430,15 @@ struct tcf_police *tcf_police_locate(struct rtattr *rta, struct rtattr *est)
         struct tcf_police *police;
         struct rtattr *tb[TCA_POLICE_MAX];
         struct tc_police *parm;
+        int size;
 
         if (rtattr_parse_nested(tb, TCA_POLICE_MAX, rta) < 0)
                 return NULL;
 
-        if (tb[TCA_POLICE_TBF-1] == NULL ||
-            RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]) != sizeof(*parm))
+        if (tb[TCA_POLICE_TBF-1] == NULL)
+                return NULL;
+        size = RTA_PAYLOAD(tb[TCA_POLICE_TBF-1]);
+        if (size != sizeof(*parm) && size != sizeof(struct tc_police_compat))
                 return NULL;
 
         parm = RTA_DATA(tb[TCA_POLICE_TBF-1]);