X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fmac80211%2Frx.c;h=a7263fc476bdd4a0936f983b3acf298a36faafa1;hb=6b74c92521de123b6b3b01a8be432722121d9e8e;hp=428a9fcf57d62c90c6537490fd193d6342b47ee7;hpb=99fee6d7e5748d96884667a4628118f7fc130ea0;p=powerpc.git

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 428a9fcf57..a7263fc476 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -997,7 +997,7 @@ ieee80211_rx_h_drop_unencrypted(struct ieee80211_txrx_data *rx)
 	if (unlikely(!(rx->fc & IEEE80211_FCTL_PROTECTED) &&
 		     (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
 		     (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_NULLFUNC &&
-		     rx->sdata->drop_unencrypted &&
+		     (rx->key || rx->sdata->drop_unencrypted) &&
 		     (rx->sdata->eapol == 0 || !ieee80211_is_eapol(rx->skb)))) {
 		if (net_ratelimit())
 			printk(KERN_DEBUG "%s: RX non-WEP frame, but expected "
@@ -1443,6 +1443,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
 	struct ieee80211_sub_if_data *prev = NULL;
 	struct sk_buff *skb_new;
 	u8 *bssid;
+	int hdrlen;
 
 	/*
 	 * key references and virtual interfaces are protected using RCU
@@ -1472,6 +1473,18 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
 	rx.fc = le16_to_cpu(hdr->frame_control);
 	type = rx.fc & IEEE80211_FCTL_FTYPE;
 
+	/*
+	 * Drivers are required to align the payload data to a four-byte
+	 * boundary, so the last two bits of the address where it starts
+	 * may not be set. The header is required to be directly before
+	 * the payload data, padding like atheros hardware adds which is
+	 * inbetween the 802.11 header and the payload is not supported,
+	 * the driver is required to move the 802.11 header further back
+	 * in that case.
+	 */
+	hdrlen = ieee80211_get_hdrlen(rx.fc);
+	WARN_ON_ONCE(((unsigned long)(skb->data + hdrlen)) & 3);
+
 	if (type == IEEE80211_FTYPE_DATA || type == IEEE80211_FTYPE_MGMT)
 		local->dot11ReceivedFragmentCount++;