diff options
| author | Ivo van Doorn <ivdoorn@gmail.com> | 2007-11-15 23:41:31 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-11-18 18:47:37 -0800 |
| commit | b242e891c218162cfbae064b1a9136cdbed5ee53 (patch) | |
| tree | 3e460f49ffd103881082bc561d0536109517b617 /drivers/net/wireless/rt2x00/rt2500usb.c | |
| parent | 2ffbb8377c7a0713baf6644e285adc27a5654582 (diff) | |
| download | talos-op-linux-b242e891c218162cfbae064b1a9136cdbed5ee53.tar.gz talos-op-linux-b242e891c218162cfbae064b1a9136cdbed5ee53.zip | |
rt2x00: Request usb_maxpacket() once
The usb max packet size won't change during the
device's presence. We should store it in a
variable inside rt2x00dev and use that.
This should also fix a division error when the
device is being hot-unplugged while a frame is
being send out.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500usb.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 277a020b35e9..50775f9234cc 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1032,7 +1032,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, } static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, - int maxpacket, struct sk_buff *skb) + struct sk_buff *skb) { int length; @@ -1041,7 +1041,7 @@ static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, * but it must _not_ be a multiple of the USB packet size. */ length = roundup(skb->len, 2); - length += (2 * !(length % maxpacket)); + length += (2 * !(length % rt2x00dev->usb_maxpacket)); return length; } @@ -1643,7 +1643,6 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw, struct data_entry *beacon; struct data_entry *guardian; int pipe = usb_sndbulkpipe(usb_dev, 1); - int max_packet = usb_maxpacket(usb_dev, pipe, 1); int length; /* @@ -1672,7 +1671,7 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw, ring->desc_size), skb->len - ring->desc_size, control); - length = rt2500usb_get_tx_data_len(rt2x00dev, max_packet, skb); + length = rt2500usb_get_tx_data_len(rt2x00dev, skb); usb_fill_bulk_urb(beacon->priv, usb_dev, pipe, skb->data, length, rt2500usb_beacondone, beacon); |
