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mac802154: common tx error path 

This patch introduce the common error path on failure of Tx by
inserting the label 'err_tx'.

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Varka Bhadram 2014-08-11 13:25:10 +02:00 committed by Marcel Holtmann
parent 0ba1f94e72
commit f55889128a
1 changed files with 8 additions and 7 deletions
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15
net/mac802154/tx.c
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@ -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;
}