IEEE80211_FCS_LEN  291 drivers/staging/rtl8188eu/include/ieee80211.h #define IEEE80211_FCS_LEN    4
IEEE80211_FCS_LEN  339 drivers/staging/rtl8192u/ieee80211/ieee80211.h #define IEEE80211_FCS_LEN    4
IEEE80211_FCS_LEN  187 drivers/staging/rtl8712/ieee80211.h #define IEEE80211_FCS_LEN    4
IEEE80211_FCS_LEN  294 drivers/staging/rtl8723bs/include/ieee80211.h #define IEEE80211_FCS_LEN    4