Compile error 2.5.27: [ad1848_lib.o] Error 1

[Diego Calleja]

make[2]: Entering directory `/usr/src/unstable/sound/isa'
make[3]: Entering directory `/usr/src/unstable/sound/isa/ad1816a'
make[3]: Leaving directory `/usr/src/unstable/sound/isa/ad1816a'
make[3]: Entering directory `/usr/src/unstable/sound/isa/ad1848'
  gcc -Wp,-MD,./.ad1848_lib.o.d -D__KERNEL__ -I/usr/src/unstable/include
-Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer
-fno-strict-aliasing -fno-common -pipe -mpreferred-stack-boundary=2
-march=i586 -nostdinc -iwithprefix include -DMODULE  
-DKBUILD_BASENAME=ad1848_lib -DEXPORT_SYMTAB  -c -o ad1848_lib.o
ad1848_lib.c ad1848_lib.c:1171: parse error before `alsa_ad1848_init'
ad1848_lib.c:1172: warning: return-type defaults to `int'
ad1848_lib.c:1176: parse error before `alsa_ad1848_exit'
ad1848_lib.c:1177: warning: return-type defaults to `int'
ad1848_lib.c: In function `alsa_ad1848_exit':
ad1848_lib.c:1178: warning: control reaches end of non-void function
ad1848_lib.c: At top level:
ad1848_lib.c:1181: parse error before `module_exit'
ad1848_lib.c:1182: parse error at end of input
make[3]: *** [ad1848_lib.o] Error 1
make[3]: Leaving directory `/usr/src/unstable/sound/isa/ad1848'
make[2]: *** [ad1848] Error 2
make[2]: Leaving directory `/usr/src/unstable/sound/isa'
make[1]: *** [isa] Error 2
make[1]: Leaving directory `/usr/src/unstable/sound'
make: *** [sound] Error 2
root@diego:/usr/src/unstable#