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mac80211: small tx code cleanup

It's really easier to read if it's not indented
as much, so invert the condition and rearrange
the code so the smaller chunk is indented instead.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg 16 年之前
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62b1208e14
共有 1 个文件被更改,包括 19 次插入19 次删除
  1. 19 19
      net/mac80211/tx.c

+ 19 - 19
net/mac80211/tx.c

@@ -317,30 +317,30 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx)
 	if (!atomic_read(&tx->sdata->bss->num_sta_ps))
 		return TX_CONTINUE;
 
+	/* buffered in hardware */
+	if (!(tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING)) {
+		info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+
+		return TX_CONTINUE;
+	}
+
 	/* buffered in mac80211 */
-	if (tx->local->hw.flags & IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING) {
-		if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
-			purge_old_ps_buffers(tx->local);
-		if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >=
-		    AP_MAX_BC_BUFFER) {
+	if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER)
+		purge_old_ps_buffers(tx->local);
+
+	if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= AP_MAX_BC_BUFFER) {
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-			if (net_ratelimit()) {
-				printk(KERN_DEBUG "%s: BC TX buffer full - "
-				       "dropping the oldest frame\n",
-				       tx->dev->name);
-			}
+		if (net_ratelimit())
+			printk(KERN_DEBUG "%s: BC TX buffer full - dropping the oldest frame\n",
+			       tx->dev->name);
 #endif
-			dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
-		} else
-			tx->local->total_ps_buffered++;
-		skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
-		return TX_QUEUED;
-	}
+		dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf));
+	} else
+		tx->local->total_ps_buffered++;
 
-	/* buffered in hardware */
-	info->flags |= IEEE80211_TX_CTL_SEND_AFTER_DTIM;
+	skb_queue_tail(&tx->sdata->bss->ps_bc_buf, tx->skb);
 
-	return TX_CONTINUE;
+	return TX_QUEUED;
 }
 
 static int ieee80211_use_mfp(__le16 fc, struct sta_info *sta,