mac80211: remove event.c

That file contains just a single function, which itself is just a
single statement to call a different function. Remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/Makefile

@@ -27,7 +27,6 @@ mac80211-y := \
 	key.o \
 	util.o \
 	wme.o \
-	event.o \
 	chan.o \
 	trace.o mlme.o \
 	tdls.o \

net/mac80211/event.c

-/*
- * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * mac80211 - events
- */
-#include <net/cfg80211.h>
-#include "ieee80211_i.h"
-
-/*
- * Indicate a failed Michael MIC to userspace. If the caller knows the TSC of
- * the frame that generated the MIC failure (i.e., if it was provided by the
- * driver or is still in the frame), it should provide that information.
- */
-void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
-				     struct ieee80211_hdr *hdr, const u8 *tsc,
-				     gfp_t gfp)
-{
-	cfg80211_michael_mic_failure(sdata->dev, hdr->addr2,
-				     (hdr->addr1[0] & 0x01) ?
-				     NL80211_KEYTYPE_GROUP :
-				     NL80211_KEYTYPE_PAIRWISE,
-				     keyidx, tsc, gfp);
-}

net/mac80211/ieee80211_i.h

@@ -1765,9 +1765,6 @@ extern const void *const mac80211_wiphy_privid; /* for wiphy privid */
 int ieee80211_frame_duration(enum ieee80211_band band, size_t len,
 			     int rate, int erp, int short_preamble,
 			     int shift);
-void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
-				     struct ieee80211_hdr *hdr, const u8 *tsc,
-				     gfp_t gfp);
 void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
 			       bool bss_notify);
 void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,

net/mac80211/wpa.c

@@ -174,9 +174,12 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx)
 	 * a driver that supports HW encryption. Send up the key idx only if
 	 * the key is set.
 	 */
-	mac80211_ev_michael_mic_failure(rx->sdata,
-					rx->key ? rx->key->conf.keyidx : -1,
-					(void *) skb->data, NULL, GFP_ATOMIC);
+	cfg80211_michael_mic_failure(rx->sdata->dev, hdr->addr2,
+				     is_multicast_ether_addr(hdr->addr1) ?
+				     NL80211_KEYTYPE_GROUP :
+				     NL80211_KEYTYPE_PAIRWISE,
+				     rx->key ? rx->key->conf.keyidx : -1,
+				     NULL, GFP_ATOMIC);
 	return RX_DROP_UNUSABLE;
 }