[PATCH] rt2x00: Allways memset memory obtained from skb_push()

When skb_push() is used we should memset the memory before
usage. This will prevent bugs which could occur when the
data is treated as TX descriptor.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 45f8f744a12..7cdc80a122b 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1665,6 +1665,8 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
          * First we create the beacon.
          */
         skb_push(skb, ring->desc_size);
+        memset(skb->data, 0, ring->desc_size);
+
         rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
                                 (struct ieee80211_hdr *)(skb->data +
                                                          ring->desc_size),