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rt2x00: skb->data pointer should not include TX descriptor

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Make sure the skb->data pointer points to the frame data, not the TX
descriptor. The frame dumping code relies on that.

Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mattias Nissler 2008-08-29 21:07:20 +02:00 committed by John W. Linville
parent 6c6aa3c004
commit 1abc3656e9
3 changed files with 8 additions and 9 deletions
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3
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -1114,8 +1114,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT,
skb->len - skbdesc->desc_len);
rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
rt2x00_desc_write(txd, 0, word);
}

11
drivers/net/wireless/rt2x00/rt2x00usb.c
View File

@ -167,11 +167,6 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
!test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
return;
/*
* Remove the descriptor data from the buffer.
*/
skb_pull(entry->skb, entry->queue->desc_size);
/*
* Obtain the status about this packet.
* Note that when the status is 0 it does not mean the
@ -224,6 +219,12 @@ int rt2x00usb_write_tx_data(struct queue_entry *entry)
entry->skb->data, length,
rt2x00usb_interrupt_txdone, entry);
/*
* Make sure the skb->data pointer points to the frame, not the
* descriptor.
*/
skb_pull(entry->skb, entry->queue->desc_size);
return 0;
}
EXPORT_SYMBOL_GPL(rt2x00usb_write_tx_data);

3
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -1556,8 +1556,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT,
skb->len - skbdesc->desc_len);
rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
rt2x00_set_field32(&word, TXD_W0_BURST2,
test_bit(ENTRY_TXD_BURST, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);