libertas: kill lbs_process_tx() by merging it into lbs_hard_start_xmit()

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c
index 336544cdeca65be1408580ecb7a82a747fd55070..7bc2124382592ef7a28164d02ddccadd61c14280 100644 (file)
--- a/drivers/net/wireless/libertas/tx.c
+++ b/drivers/net/wireless/libertas/tx.c
@@ -56,8 +56,9 @@ static u32 convert_radiotap_rate_to_mv(u8 rate)
  *  @param skb     A pointer to skb which includes TX packet
  *  @return       0 or -1
  */
-static int lbs_process_tx(struct lbs_private *priv, struct sk_buff *skb)
+int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
+       struct lbs_private *priv = dev->priv;
        int ret = -1;
        struct txpd localtxpd;
        struct txpd *plocaltxpd = &localtxpd;
@@ -70,12 +71,21 @@ static int lbs_process_tx(struct lbs_private *priv, struct sk_buff *skb)
 
        lbs_deb_hex(LBS_DEB_TX, "TX Data", skb->data, min_t(unsigned int, skb->len, 100));
 
+       netif_stop_queue(priv->dev);
+       if (priv->mesh_dev)
+               netif_stop_queue(priv->mesh_dev);
+
        if (priv->dnld_sent) {
                lbs_pr_alert( "TX error: dnld_sent = %d, not sending\n",
                       priv->dnld_sent);
                goto done;
        }
 
+       if (priv->currenttxskb) {
+               lbs_pr_err("%s while TX skb pending\n", __func__);
+               goto done;
+       }
+
        if ((priv->psstate == PS_STATE_SLEEP) ||
            (priv->psstate == PS_STATE_PRE_SLEEP)) {
                lbs_pr_alert("TX error: packet xmit in %ssleep mode\n",
@@ -154,6 +164,8 @@ done_tx:
        if (!ret) {
                priv->stats.tx_packets++;
                priv->stats.tx_bytes += skb->len;
+
+               dev->trans_start = jiffies;
        } else {
                priv->stats.tx_dropped++;
                priv->stats.tx_errors++;
@@ -179,37 +191,6 @@ done:
        return ret;
 }
 
-int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
-       int ret = 0;
-       struct lbs_private *priv = dev->priv;
-
-       lbs_deb_enter(LBS_DEB_TX);
-
-       /* We could return NETDEV_TX_BUSY here, but I'd actually 
-          like to get the point where we can BUG() */
-       if (priv->dnld_sent) {
-               lbs_pr_err("%s while dnld_sent\n", __func__);
-               priv->stats.tx_dropped++;
-               goto done;
-       }
-       if (priv->currenttxskb) {
-               lbs_pr_err("%s while TX skb pending\n", __func__);
-               priv->stats.tx_dropped++;
-               goto done;
-       }
-
-       netif_stop_queue(priv->dev);
-       if (priv->mesh_dev)
-               netif_stop_queue(priv->mesh_dev);
-
-       if (lbs_process_tx(priv, skb) == 0)
-               dev->trans_start = jiffies;
-done:
-       lbs_deb_leave_args(LBS_DEB_TX, "ret %d", ret);
-       return ret;
-}
-
 /**
  *  @brief This function sends to the host the last transmitted packet,
  *  filling the radiotap headers with transmission information.