p54usb: bring first generation devices back to life

This patch fixes a serious regression (introduced by:
"p54: fix memory management")
that affected isl3886+net2280 usb devices operation.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Tested-by: Artur Skawina <art.08.09@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index 17f89c7eb098..c44a200059d2 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -301,6 +301,8 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
         struct net2280_tx_hdr *hdr;
         struct net2280_reg_write *reg;
         int err = 0;
+        __le32 addr = ((struct p54_hdr *) skb->data)->req_id;
+        __le16 len = cpu_to_le16(skb->len);
 
         reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
         if (!reg)
@@ -325,8 +327,8 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb)
 
         hdr = (void *)skb_push(skb, sizeof(*hdr));
         memset(hdr, 0, sizeof(*hdr));
-        hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id;
-        hdr->len = cpu_to_le16(skb->len + sizeof(struct p54_hdr));
+        hdr->len = len;
+        hdr->device_addr = addr;
 
         usb_fill_bulk_urb(int_urb, priv->udev,
                 usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),