From f55889128a776b51581394b20abd0b470304cf95 Mon Sep 17 00:00:00 2001 From: Varka Bhadram Date: Mon, 11 Aug 2014 13:25:10 +0200 Subject: 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 Signed-off-by: Alexander Aring Signed-off-by: Marcel Holtmann --- net/mac802154/tx.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'net/mac802154/tx.c') diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index 8124353646ae..fdf4c0e67259 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; } -- cgit v1.2.3