rt2x00: Use skbdesc fields for descriptor initialization
In rt2x00lib_write_tx_desc() the skb->data and skb->len fields
were incorrectly used. For USB drivers both of those values
contain invalid data (skb->data points to the device descriptor,
skb->len contains the frame _and_ descriptor length).
Instead of using the skbuffer fields we should use the skbdesc
fields which are correctly initialized and contain all the data
that we need.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 141b9b8..455d076 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -630,7 +630,7 @@
{
struct txentry_desc txdesc;
struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skbdesc->data;
const struct rt2x00_rate *rate;
int tx_rate;
int length;
@@ -710,7 +710,7 @@
txdesc.signal = rate->plcp;
txdesc.service = 0x04;
- length = skb->len + FCS_LEN;
+ length = skbdesc->data_len + FCS_LEN;
if (rate->flags & DEV_RATE_OFDM) {
__set_bit(ENTRY_TXD_OFDM_RATE, &txdesc.flags);