From: Varka Bhadram <varkab@xxxxxxx>
This patch introduce the common error path on failure of Tx by
inserting the label 'err_tx'.
Signed-off-by: Varka Bhadram <varkab@xxxxxxx>
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
net/mac802154/tx.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c
index 8124353..fdf4c0e6 100644
--- a/net/mac802154/tx.c
+++ b/net/mac802154/tx.c
@@ -89,8 +89,7 @@ netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
if (!(priv->phy->channels_supported[page] & (1 << chan))) {
WARN_ON(1);
- kfree_skb(skb);
- return NETDEV_TX_OK;
+ goto err_tx;
}
mac802154_monitors_rx(mac802154_to_priv(&priv->hw), skb);
@@ -103,12 +102,10 @@ netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
data[1] = crc >> 8;
}
- if (skb_cow_head(skb, priv->hw.extra_tx_headroom)) {
- kfree_skb(skb);
- return NETDEV_TX_OK;
- }
+ if (skb_cow_head(skb, priv->hw.extra_tx_headroom))
+ goto err_tx;
- work = kzalloc(sizeof(struct xmit_work), GFP_ATOMIC);
+ work = kzalloc(sizeof(*work), GFP_ATOMIC);
if (!work) {
kfree_skb(skb);
return NETDEV_TX_BUSY;
@@ -129,4 +126,8 @@ netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
queue_work(priv->dev_workqueue, &work->work);
return NETDEV_TX_OK;
+
+err_tx:
+ kfree_skb(skb);
+ return NETDEV_TX_OK;
}
--
2.0.3
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