mac80211: fix endian error
Johannes Berg [Fri, 8 Jan 2010 18:00:00 +0000 (19:00 +0100)]
I forgot to convert the radiotap length to
CPU endian, which sparse found thankfully.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/iface.c

index 44188ef..d62ec08 100644 (file)
@@ -675,10 +675,10 @@ static u16 ieee80211_monitor_select_queue(struct net_device *dev,
                return 0;
 
        if (skb->len < 4 ||
-           skb->len < rtap->it_len + 2 /* frame control */)
+           skb->len < le16_to_cpu(rtap->it_len) + 2 /* frame control */)
                return 0; /* doesn't matter, frame will be dropped */
 
-       hdr = (void *)((u8 *)skb->data + rtap->it_len);
+       hdr = (void *)((u8 *)skb->data + le16_to_cpu(rtap->it_len));
 
        if (!ieee80211_is_data(hdr->frame_control)) {
                skb->priority = 7;