Anyone can tell me how to figure this problem? I do not have much experience on linux kernel compiling. make modules make[1]: Nothing to be done for `all'. CHK include/linux/version.h CHK include/generated/utsrelease.h CALL scripts/checksyscalls.sh CC [M] net/mac80211/tx.o net/mac80211/tx.c: In function ‘ieee80211_tx’: net/mac80211/tx.c:1327:2: error: implicit declaration of function ‘ieee80211_tx_prepare’ [-W net/mac80211/tx.c: At top level: net/mac80211/tx.c:1601:1: error: conflicting types for ‘ieee80211_tx_prepare’ net/mac80211/tx.c:1327:16: note: previous implicit declaration of ‘ieee80211_tx_prepare’ was net/mac80211/tx.c: In function ‘ieee80211_tx_prepare’: net/mac80211/tx.c:1643:7: warning: passing argument 1 of ‘__ieee80211_parse_tx_radiotap’ fro net/mac80211/tx.c:1516:13: note: expected ‘struct sk_buff *’ but argument is of type ‘struct net/mac80211/tx.c:1643:7: error: too many arguments to function ‘__ieee80211_parse_tx_radiot net/mac80211/tx.c:1516:13: note: declared here net/mac80211/tx.c: In function ‘ieee80211_monitor_start_xmit’: net/mac80211/tx.c:1790:2: error: implicit declaration of function ‘ieee80211_parse_tx_radiot cc1: some warnings being treated as errors make[2]: *** [net/mac80211/tx.o] Error 1 make[1]: *** [net/mac80211] Error 2 make: *** [net] Error 2 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html