rt2x00: rt2800pci: use rt2x00dev->tx->limit

The TX data queue is initialized already when
the rt2800pci_txstatus_interrupt() function is
called.

Fetch the number of the queue entries from that
instead of using the entry_num field of the data
queue descriptor.

The two values are the same, and the use of the
rt2x00dev->tx->limit value allows us to get rid
of a superfluous pointer dereference.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 6f4a861af336cc22ac1461dceb7dc4eef7deb45d..330f1d25726df054f862ec0a7188178243d97efa 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1014,7 +1014,7 @@ static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
         * Since we have only one producer and one consumer we don't
         * need to lock the kfifo.
         */
-       for (i = 0; i < rt2x00dev->ops->tx->entry_num; i++) {
+       for (i = 0; i < rt2x00dev->tx->limit; i++) {
                rt2x00mmio_register_read(rt2x00dev, TX_STA_FIFO, &status);
 
                if (!rt2x00_get_field32(status, TX_STA_FIFO_VALID))