return NULL; 
static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr){	switch (ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl))) {	case IEEE80211_1ADDR_LEN:		return ((struct ieee80211_hdr_1addr *)hdr)->payload;	case IEEE80211_2ADDR_LEN:		return ((struct ieee80211_hdr_2addr *)hdr)->payload;	case IEEE80211_3ADDR_LEN:		return ((struct ieee80211_hdr_3addr *)hdr)->payload;	case IEEE80211_4ADDR_LEN:		return ((struct ieee80211_hdr_4addr *)hdr)->payload;	}}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/cea00da3972806d213a7dbe1b98e889435385e6b/ieee80211.h/clean/include/net/ieee80211.h