diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index 9c2c651..3951ce2 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -314,6 +314,7 @@ 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;
+	struct p54_hdr *pkg_hdr = (struct p54_hdr *) skb->data;
 
 	reg = kmalloc(sizeof(*reg), GFP_ATOMIC);
 	if (!reg)
@@ -336,10 +337,11 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb,
 	reg->addr = cpu_to_le32(P54U_DEV_BASE);
 	reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
 
+	
 	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->device_addr = pkg_hdr->req_id;
+	hdr->len = cpu_to_le16(skb->len);
 
 	usb_fill_bulk_urb(int_urb, priv->udev,
 		usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg),