Hello

Would you please why i got Error when i want Make and make install driver ?

I have BT3 Final .

Code:
bt 2009_1110_RT3070_Linux_STA_v2.1.2.0 # make
make -C tools
make[1]: Entering directory `/root/2009_1110_RT3070_Linux_STA_v2.1.2.0/tools'
gcc -g bin2h.c -o bin2h
make[1]: Leaving directory `/root/2009_1110_RT3070_Linux_STA_v2.1.2.0/tools'
/root/2009_1110_RT3070_Linux_STA_v2.1.2.0/tools/bin2h
cp -f os/linux/Makefile.6 /root/2009_1110_RT3070_Linux_STA_v2.1.2.0/os/linux/Makefile
make  -C  /lib/modules/2.6.21.5/build SUBDIRS=/root/2009_1110_RT3070_Linux_STA_v2.1.2.0/os/linux modules
make: *** /lib/modules/2.6.21.5/build: No such file or directory.  Stop.
make: *** [LINUX] Error 2

Make install
Code:
bt 2009_1110_RT3070_Linux_STA_v2.1.2.0 # make install
make -C /root/2009_1110_RT3070_Linux_STA_v2.1.2.0/os/linux -f Makefile.6 install
mkdir: cannot create directory `/etc/Wireless': File exists
make[1]: Entering directory `/root/2009_1110_RT3070_Linux_STA_v2.1.2.0/os/linux'
rm -rf /etc/Wireless/RT3070STA
mkdir /etc/Wireless/RT3070STA
cp /root/2009_1110_RT3070_Linux_STA_v2.1.2.0/RT2870STA.dat /etc/Wireless/RT3070STA/.
install -d /lib/modules/2.6.21.5/kernel/drivers/net/wireless/
install -m 644 -c rt3070sta.ko /lib/modules/2.6.21.5/kernel/drivers/net/wireless/
install: cannot stat `rt3070sta.ko': No such file or directory
make[1]: *** [install] Error 1
make[1]: Leaving directory `/root/2009_1110_RT3070_Linux_STA_v2.1.2.0/os/linux'
make: *** [install] Error 2
thanks .