p54: remove useless code
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>
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index 01eadb1..416400c 100644
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -87,9 +87,6 @@
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 @@
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 @@
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 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 @@
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);
}