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-rw-r--r--include/net/netlink.h15
-rw-r--r--net/sched/act_api.c24
-rw-r--r--net/sched/sch_red.c7
3 files changed, 25 insertions, 21 deletions
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 56c365dc6dc7..67c57d6942e3 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -1466,6 +1466,21 @@ static inline int nla_put_in6_addr(struct sk_buff *skb, int attrtype,
}
/**
+ * nla_put_bitfield32 - Add a bitfield32 netlink attribute to a socket buffer
+ * @skb: socket buffer to add attribute to
+ * @attrtype: attribute type
+ * @value: value carrying bits
+ * @selector: selector of valid bits
+ */
+static inline int nla_put_bitfield32(struct sk_buff *skb, int attrtype,
+ __u32 value, __u32 selector)
+{
+ struct nla_bitfield32 tmp = { value, selector, };
+
+ return nla_put(skb, attrtype, sizeof(tmp), &tmp);
+}
+
+/**
* nla_get_u32 - return payload of u32 attribute
* @nla: u32 netlink attribute
*/
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 861a831b0ef7..33cc77e6e56c 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -789,23 +789,15 @@ tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
}
rcu_read_unlock();
- if (a->hw_stats != TCA_ACT_HW_STATS_ANY) {
- struct nla_bitfield32 hw_stats = {
- a->hw_stats,
- TCA_ACT_HW_STATS_ANY,
- };
-
- if (nla_put(skb, TCA_ACT_HW_STATS, sizeof(hw_stats), &hw_stats))
- goto nla_put_failure;
- }
-
- if (a->tcfa_flags) {
- struct nla_bitfield32 flags = { a->tcfa_flags,
- a->tcfa_flags, };
+ if (a->hw_stats != TCA_ACT_HW_STATS_ANY &&
+ nla_put_bitfield32(skb, TCA_ACT_HW_STATS,
+ a->hw_stats, TCA_ACT_HW_STATS_ANY))
+ goto nla_put_failure;
- if (nla_put(skb, TCA_ACT_FLAGS, sizeof(flags), &flags))
- goto nla_put_failure;
- }
+ if (a->tcfa_flags &&
+ nla_put_bitfield32(skb, TCA_ACT_FLAGS,
+ a->tcfa_flags, a->tcfa_flags))
+ goto nla_put_failure;
nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
if (nest == NULL)
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 3ef0a4f7399b..c7de47c942e3 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -349,10 +349,6 @@ static int red_dump_offload_stats(struct Qdisc *sch)
static int red_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct red_sched_data *q = qdisc_priv(sch);
- struct nla_bitfield32 flags_bf = {
- .selector = red_supported_flags,
- .value = q->flags,
- };
struct nlattr *opts = NULL;
struct tc_red_qopt opt = {
.limit = q->limit,
@@ -375,7 +371,8 @@ static int red_dump(struct Qdisc *sch, struct sk_buff *skb)
goto nla_put_failure;
if (nla_put(skb, TCA_RED_PARMS, sizeof(opt), &opt) ||
nla_put_u32(skb, TCA_RED_MAX_P, q->parms.max_P) ||
- nla_put(skb, TCA_RED_FLAGS, sizeof(flags_bf), &flags_bf))
+ nla_put_bitfield32(skb, TCA_RED_FLAGS,
+ q->flags, red_supported_flags))
goto nla_put_failure;
return nla_nest_end(skb, opts);