wireless: correct sparse warning in lib80211_crypt_tkip.c

  CHECK   net/wireless/lib80211_crypt_tkip.c
net/wireless/lib80211_crypt_tkip.c:581:27: warning: cast to restricted __le16

Caused by dereferencing a "u8 *" and passing it to le16_to_cpu...

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/lib80211_crypt_tkip.c b/net/wireless/lib80211_crypt_tkip.c
index 8cbdb32..a7f9956 100644 (file)
--- a/net/wireless/lib80211_crypt_tkip.c
+++ b/net/wireless/lib80211_crypt_tkip.c
@@ -578,7 +578,7 @@ static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr)
        }
 
        if (ieee80211_is_data_qos(hdr11->frame_control)) {
-               hdr[12] = le16_to_cpu(*ieee80211_get_qos_ctl(hdr11))
+               hdr[12] = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(hdr11)))
                        & IEEE80211_QOS_CTL_TID_MASK;
        } else
                hdr[12] = 0;            /* priority */