commit 9bc39bec87ee3e35897fe27441e979e7c208f624
Author: Pavel Roskin <proski@gnu.org>
Date:   Tue Oct 4 21:33:10 2005 -0400

    [PATCH] orinoco: Information leakage due to incorrect padding
    
    The orinoco driver can send uninitialized data exposing random pieces of
    the system memory.  This happens because data is not padded with zeroes
    when its length needs to be increased.
    
    Reported by Meder Kydyraliev <meder@o0o.nu>
    
    Signed-off-by: Pavel Roskin <proski@gnu.org>
    Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 6deb7cc..cf3daaa 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -503,9 +503,14 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev)
 		return 0;
 	}
 
-	/* Length of the packet body */
-	/* FIXME: what if the skb is smaller than this? */
-	len = max_t(int,skb->len - ETH_HLEN, ETH_ZLEN - ETH_HLEN);
+	/* Check packet length, pad short packets, round up odd length */
+	len = max_t(int, ALIGN(skb->len, 2), ETH_ZLEN);
+	if (skb->len < len) {
+		skb = skb_padto(skb, len);
+		if (skb == NULL)
+			goto fail;
+	}
+	len -= ETH_HLEN;
 
 	eh = (struct ethhdr *)skb->data;
 
@@ -557,8 +562,7 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev)
 		p = skb->data;
 	}
 
-	/* Round up for odd length packets */
-	err = hermes_bap_pwrite(hw, USER_BAP, p, ALIGN(data_len, 2),
+	err = hermes_bap_pwrite(hw, USER_BAP, p, data_len,
 				txfid, data_off);
 	if (err) {
 		printk(KERN_ERR "%s: Error %d writing packet to BAP\n",