2.5.7 does not compile

[Jean-Luc Coulon <jean-luc.coulon@wanadoo.fr>]

make[3]: Entering directory
`/usr/src/kernel-sources-2.5.7/drivers/net/hamradio'
gcc -D__KERNEL__ -I/usr/src/kernel-sources-2.5.7/include -Wall
-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer
-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2
-march=k6 -DMODULE -DMODVERSIONS -include
/usr/src/kernel-sources-2.5.7/include/linux/modversions.h 
-DKBUILD_BASENAME=scc  -c -o scc.o scc.c
scc.c: In function `scc_net_rx':
scc.c:1664: `dev' undeclared (first use in this function)
scc.c:1664: (Each undeclared identifier is reported only once
scc.c:1664: for each function it appears in.)
make[3]: *** [scc.o] Error 1
make[3]: Leaving directory
`/usr/src/kernel-sources-2.5.7/drivers/net/hamradio'
make[2]: *** [_modsubdir_net/hamradio] Error 2
make[2]: Leaving directory `/usr/src/kernel-sources-2.5.7/drivers'
make[1]: *** [_mod_drivers] Error 2
make[1]: Leaving directory `/usr/src/kernel-sources-2.5.7'
make: *** [stamp-build] Error 2

-----------
Regards
	Jean-Luc