mac802154: fix memory leaks
kfree_skb() was not getting called in the case of some failures.
This was pointed out by Eric Dumazet.
Signed-off-by: Alan Ott <alan@signal11.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c
index 1a4df39..db63914 100644
--- a/net/mac802154/tx.c
+++ b/net/mac802154/tx.c
@@ -85,6 +85,7 @@
if (!(priv->phy->channels_supported[page] & (1 << chan))) {
WARN_ON(1);
+ kfree_skb(skb);
return NETDEV_TX_OK;
}
@@ -103,8 +104,10 @@
}
work = kzalloc(sizeof(struct xmit_work), GFP_ATOMIC);
- if (!work)
+ if (!work) {
+ kfree_skb(skb);
return NETDEV_TX_BUSY;
+ }
INIT_WORK(&work->work, mac802154_xmit_worker);
work->skb = skb;
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index f30f6d4..1191039 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -327,8 +327,10 @@
if (chan == MAC802154_CHAN_NONE ||
page >= WPAN_NUM_PAGES ||
- chan >= WPAN_NUM_CHANNELS)
+ chan >= WPAN_NUM_CHANNELS) {
+ kfree_skb(skb);
return NETDEV_TX_OK;
+ }
skb->skb_iif = dev->ifindex;
dev->stats.tx_packets++;