kernel compilation error

In file included from include/linux/fs.h:481:0,
                 from include/linux/genhd.h:66,
                 from include/linux/blkdev.h:8,
                 from include/linux/pktcdvd.h:111,
                 from drivers/block/pktcdvd.c:47:
include/linux/quota.h:245:2: error: expected ',' or '}' before 'DQST_READS'
include/linux/quota.h:255:11: error: '_DQST_DQSTAT_LAST' undeclared here (not in a function)
make[4]: *** [drivers/block/pktcdvd.o] Error 1
make[4]: *** Waiting for unfinished jobs....
  CC      drivers/base/module.o
  CC      drivers/base/hypervisor.o
drivers/block/DAC960.c: In function 'DAC960_V2_ProcessCompletedCommand':
drivers/block/DAC960.c:5095:30: warning: comparison between 'DAC960_V2_IOCTL_Opcode_T' and 'enum <anonymous>' [-Wenum-compare]
drivers/block/DAC960.c: In function 'DAC960_V1_EnableMemoryMailboxInterface':
/home/vishnu/rpmbuild/BUILD/kernel-3.0.1/arch/x86/include/asm/io.h:63:69: warning: 'CommandMailbox.Bytes[12]' may be used uninitialized in this function [-Wuninitialized]
drivers/block/DAC960.c:1175:30: note: 'CommandMailbox.Bytes[12]' was declared here
  LD      drivers/base/built-in.o
make[3]: *** [drivers/block] Error 2
make[2]: *** [drivers] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.CAfzSG (%build)


RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.CAfzSG (%build)
make[1]: *** [rpm] Error 1
make: *** [rpm] Error 2
make: Leaving directory `/media/Portable/linux-kernel/linux-3.0.1-dev-rpm'