diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index a70e7000b52..29edb9fbe6f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -565,33 +565,11 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, u8 rate_idx, rate_flags; int ret = 0; - spin_lock(&queue->tx_lock); - - entry = rt2x00queue_get_entry(queue, Q_INDEX); - - if (unlikely(rt2x00queue_full(queue))) { - ERROR(queue->rt2x00dev, - "Dropping frame due to full tx queue %d.\n", queue->qid); - ret = -ENOBUFS; - goto out; - } - - if (unlikely(test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, - &entry->flags))) { - ERROR(queue->rt2x00dev, - "Arrived at non-free entry in the non-full queue %d.\n" - "Please file bug report to %s.\n", - queue->qid, DRV_PROJECT); - ret = -EINVAL; - goto out; - } - /* * Copy all TX descriptor information into txdesc, * after that we are free to use the skb->cb array * for our information. */ - entry->skb = skb; rt2x00queue_create_tx_descriptor(queue->rt2x00dev, skb, &txdesc); /* @@ -604,7 +582,6 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, rate_flags = tx_info->control.rates[0].flags; skbdesc = get_skb_frame_desc(skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->entry = entry; skbdesc->tx_rate_idx = rate_idx; skbdesc->tx_rate_flags = rate_flags; @@ -633,9 +610,33 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, * for PCI devices. */ if (test_bit(REQUIRE_L2PAD, &queue->rt2x00dev->cap_flags)) - rt2x00queue_insert_l2pad(entry->skb, txdesc.header_length); + rt2x00queue_insert_l2pad(skb, txdesc.header_length); else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags)) - rt2x00queue_align_frame(entry->skb); + rt2x00queue_align_frame(skb); + + spin_lock(&queue->tx_lock); + + if (unlikely(rt2x00queue_full(queue))) { + ERROR(queue->rt2x00dev, + "Dropping frame due to full tx queue %d.\n", queue->qid); + ret = -ENOBUFS; + goto out; + } + + entry = rt2x00queue_get_entry(queue, Q_INDEX); + + if (unlikely(test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, + &entry->flags))) { + ERROR(queue->rt2x00dev, + "Arrived at non-free entry in the non-full queue %d.\n" + "Please file bug report to %s.\n", + queue->qid, DRV_PROJECT); + ret = -EINVAL; + goto out; + } + + skbdesc->entry = entry; + entry->skb = skb; /* * It could be possible that the queue was corrupted and this |