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Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index a6080d8d72bb..b5c48de81d8b 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1397,6 +1397,21 @@ ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx, __le16 fc)
ieee80211_is_data(fc) &&
(rx->key || rx->sdata->drop_unencrypted)))
return -EACCES;
+
+ return 0;
+}
+
+static int
+ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
+ __le16 fc = hdr->frame_control;
+ int res;
+
+ res = ieee80211_drop_unencrypted(rx, fc);
+ if (unlikely(res))
+ return res;
+
if (rx->sta && test_sta_flags(rx->sta, WLAN_STA_MFP)) {
if (unlikely(ieee80211_is_unicast_robust_mgmt_frame(rx->skb) &&
rx->key))
@@ -1872,7 +1887,7 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
if (!(rx->flags & IEEE80211_RX_RA_MATCH))
return RX_DROP_UNUSABLE;
- if (ieee80211_drop_unencrypted(rx, mgmt->frame_control))
+ if (ieee80211_drop_unencrypted_mgmt(rx))
return RX_DROP_UNUSABLE;
switch (mgmt->u.action.category) {
@@ -2014,14 +2029,13 @@ static ieee80211_rx_result debug_noinline
ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx)
{
struct ieee80211_sub_if_data *sdata = rx->sdata;
- struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
ieee80211_rx_result rxs;
if (!(rx->flags & IEEE80211_RX_RA_MATCH))
return RX_DROP_MONITOR;
- if (ieee80211_drop_unencrypted(rx, mgmt->frame_control))
- return RX_DROP_MONITOR;
+ if (ieee80211_drop_unencrypted_mgmt(rx))
+ return RX_DROP_UNUSABLE;
rxs = ieee80211_work_rx_mgmt(rx->sdata, rx->skb);
if (rxs != RX_CONTINUE)