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-rw-r--r--net/mac802154/monitor.c3
-rw-r--r--net/mac802154/rx.c11
-rw-r--r--net/mac802154/wpan.c13
3 files changed, 17 insertions, 10 deletions
diff --git a/net/mac802154/monitor.c b/net/mac802154/monitor.c
index 434a26f76a80..a68230e2b25f 100644
--- a/net/mac802154/monitor.c
+++ b/net/mac802154/monitor.c
@@ -70,7 +70,8 @@ void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb)
rcu_read_lock();
list_for_each_entry_rcu(sdata, &priv->slaves, list) {
- if (sdata->type != IEEE802154_DEV_MONITOR)
+ if (sdata->type != IEEE802154_DEV_MONITOR ||
+ !netif_running(sdata->dev))
continue;
skb2 = skb_clone(skb, GFP_ATOMIC);
diff --git a/net/mac802154/rx.c b/net/mac802154/rx.c
index 0597b96dc9ba..7f820a108a9c 100644
--- a/net/mac802154/rx.c
+++ b/net/mac802154/rx.c
@@ -64,20 +64,23 @@ mac802154_subif_rx(struct ieee802154_dev *hw, struct sk_buff *skb, u8 lqi)
if (skb->len < 2) {
pr_debug("got invalid frame\n");
- goto out;
+ goto fail;
}
crc = crc_ccitt(0, skb->data, skb->len);
if (crc) {
pr_debug("CRC mismatch\n");
- goto out;
+ goto fail;
}
skb_trim(skb, skb->len - 2); /* CRC */
}
mac802154_monitors_rx(priv, skb);
mac802154_wpans_rx(priv, skb);
-out:
- dev_kfree_skb(skb);
+
+ return;
+
+fail:
+ kfree_skb(skb);
}
static void mac802154_rx_worker(struct work_struct *work)
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index c8cfd54f3711..3c3069fd6971 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -567,7 +567,6 @@ static int mac802154_parse_frame_start(struct sk_buff *skb,
void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb)
{
int ret;
- struct sk_buff *sskb;
struct mac802154_sub_if_data *sdata;
struct ieee802154_hdr hdr;
@@ -579,12 +578,16 @@ void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb)
rcu_read_lock();
list_for_each_entry_rcu(sdata, &priv->slaves, list) {
- if (sdata->type != IEEE802154_DEV_WPAN)
+ if (sdata->type != IEEE802154_DEV_WPAN ||
+ !netif_running(sdata->dev))
continue;
- sskb = skb_clone(skb, GFP_ATOMIC);
- if (sskb)
- mac802154_subif_frame(sdata, sskb, &hdr);
+ mac802154_subif_frame(sdata, skb, &hdr);
+ skb = NULL;
+ break;
}
rcu_read_unlock();
+
+ if (skb)
+ kfree_skb(skb);
}