2.5.69-bk4 -- drivers/ide/ppc/pmac.c: 724: In function `pmac_find_ide_boot': incompatible types in return

gcc -Wp,-MD,drivers/ide/ppc/.pmac.o.d -D__KERNEL__ -Iinclude -Wall
-Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common -Iarch/ppc -msoft-float -pipe -ffixed-r2 -Wno-uninitialized -mmultiple -mstring -fomit-frame-pointer -nostdinc -iwithprefix include -Idrivers/ide -DKBUILD_BASENAME=pmac -DKBUILD_MODNAME=pmac -c -o drivers/ide/ppc/pmac.o drivers/ide/ppc/pmac.c drivers/ide/ppc/pmac.c: In function `pmac_find_ide_boot':
drivers/ide/ppc/pmac.c:724: incompatible types in return
make[3]: *** [drivers/ide/ppc/pmac.o] Error 1

CONFIG_BLK_DEV_IDEDISK=y
CONFIG_BLK_DEV_IDECD=m
CONFIG_BLK_DEV_IDESCSI=m

#
# IDE chipset support/bugfixes
#
CONFIG_BLK_DEV_IDEPCI=y
CONFIG_BLK_DEV_GENERIC=y
CONFIG_IDEPCI_SHARE_IRQ=y
CONFIG_BLK_DEV_IDEDMA_PCI=y
CONFIG_IDEDMA_PCI_AUTO=y
CONFIG_BLK_DEV_IDEDMA=y
CONFIG_BLK_DEV_ADMA=y

CONFIG_BLK_DEV_IDE_PMAC=y
CONFIG_BLK_DEV_IDEDMA_PMAC=y
CONFIG_BLK_DEV_IDEDMA_PMAC_AUTO=y
CONFIG_IDEDMA_AUTO=y
# CONFIG_IDEDMA_IVB is not set
CONFIG_BLK_DEV_IDE_MODES=y

I fixed this one by changing the last return value of the function from

return NODEV;
to
return -ENODEV;

I don't know if this is the correct return value but it worked for me...anybody knows if it's the correct fix?