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p54: remove useless code

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This patch removes some useless checks in recv/xmit code.

Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter 2009-07-16 20:03:17 +02:00 committed by John W. Linville
parent 25e83c490b
commit 12f49a79cd
1 changed files with 1 additions and 15 deletions
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16
drivers/net/wireless/p54/txrx.c
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@ -87,9 +87,6 @@ static int p54_assign_address(struct p54_common *priv, struct sk_buff *skb)
u32 target_addr = priv->rx_start;
u16 len = priv->headroom + skb->len + priv->tailroom + 3;
if (unlikely(WARN_ON(!skb || !priv)))
return -EINVAL;
info = IEEE80211_SKB_CB(skb);
range = (void *) info->rate_driver_data;
len = (range->extra_len + len) & ~0x3;
@ -111,11 +108,6 @@ static int p54_assign_address(struct p54_common *priv, struct sk_buff *skb)
range = (void *) info->rate_driver_data;
hole_size = range->start_addr - last_addr;
if (!entry->next) {
spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
return -ENOSPC;
}
if (!target_skb && hole_size >= len) {
target_skb = entry->prev;
hole_size -= len;
@ -153,9 +145,6 @@ static void p54_tx_pending(struct p54_common *priv)
struct sk_buff *skb;
int ret;
if (unlikely(WARN_ON(!priv)))
return ;
skb = skb_dequeue(&priv->tx_pending);
if (unlikely(!skb))
return ;
@ -219,7 +208,7 @@ static int p54_tx_qos_accounting_alloc(struct p54_common *priv,
static void p54_tx_qos_accounting_free(struct p54_common *priv,
struct sk_buff *skb)
{
if (skb && IS_DATA_FRAME(skb)) {
if (IS_DATA_FRAME(skb)) {
struct p54_hdr *hdr = (void *) skb->data;
struct p54_tx_data *data = (void *) hdr->data;
unsigned long flags;
@ -266,9 +255,6 @@ static struct sk_buff *p54_find_and_unlink_skb(struct p54_common *priv,
void p54_tx(struct p54_common *priv, struct sk_buff *skb)
{
if (unlikely(WARN_ON(!priv)))
return ;
skb_queue_tail(&priv->tx_pending, skb);
p54_tx_pending(priv);
}