717 include/asm-generic/io.h:752:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 717 include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 716 include/asm-generic/io.h:787:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 716 include/asm-generic/io.h:760:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 715 include/asm-generic/io.h:778:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 715 include/asm-generic/io.h:769:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 714 include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 714 include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 714 include/asm-generic/io.h:1115:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 713 include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 713 include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 710 include/asm-generic/io.h:744:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 709 include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
 709 13 warnings generated.
   3 warnings generated.
   2 warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   2 In file included from ../arch/riscv/include/asm/io.h../include/asm-generic/io.h:744:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   2 :2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   2 : warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   2 561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 include/uapi/linux/byteorder/little_endian.h../include/asm-generic/io.h:35::57451::61 :note:  expanded from macro '__le32_to_cpu'warning:
   1 include/asm-generic/io.hwarning: :778performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]:
   1 include/asm-generic/io.h:787:2: warning: ../include/asm-generic/io.hperforming pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 include/asm-generic/io.h:778:2: warning: 13 warnings generated.
   1 include/asm-generic/io.h:744:2: warning: #define insb(addr, buffer, count) __insb(PCI_IOBASE + (addr), buffer, count)performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 include/asm-generic/io.h:605:59: warning: ../include/asm-generic/io.h:744:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 include/asm-generic/io.h:561:61:         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));warning:
   1 include/asm-generic/io.h:561:61../include/asm-generic/io.h: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 include/asm-generic/io.h:548:31../include/asm-generic/io.h: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 include/asm-generic/io.h:1115:55: #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))warning:
   1 include/asm-generic/io.h13 warnings generated.
   1 include/asm-generic/io.h../include/asm-generic/io.h::605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 arch/riscv/include/asm/io.h:120:55: note: expanded from macro 'outsl'../include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 arch/riscv/include/asm/io.h warnings generated.
   1 ^warning:
   1 In file included from warning: ../include/linux/bpf.hperforming pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]:
   1 In file included from 13 warnings generated.
   1 In file included from ../kernel/task_work.c:135 warning:
   1 In file included from ../init/main.c../include/asm-generic/io.h:744:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../include/linux/syscalls.h:../include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../include/linux/serial_core.h../include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../include/linux/memcontrol.h../include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../include/linux/irq.h:20../include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../include/linux/io.h:../include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../include/asm-generic/hardirq.h../include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../fs/init.c:../include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 In file included from ../arch/riscv/include/asm/io.h:136../include/asm-generic/io.h:744:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 Compile the kernel with warnings as errors (WERROR) [N/y/?] n
   1 :In file included from 61../include/linux/memcontrol.h:: 13warning: :
   1 :In file included from  ../include/asm-generic/hardirq.hwarning: :performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]17
   1 :61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 :585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 :2../include/asm-generic/io.h:: 1115warning: :performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]55
   1 :1115:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 : warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]../include/uapi/linux/byteorder/little_endian.h
   1 :        return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;769:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 61In file included from : ../include/linux/hardirq.hwarning: :performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]11
   1 595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 31:In file included from  ./arch/riscv/include/generated/asm/hardirq.hwarning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]:
   1 2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 1313 warnings generated.
   1 #define outsw(addr, buffer, count) __outsw(PCI_IOBASE + (addr), buffer, count):744:2: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   1 #define insw(addr, buffer, count) __insw(PCI_IOBASE + (addr), buffer, count)warning:
   1 Make section mismatch errors non-fatal (SECTION_MISMATCH_WARN_ONLY) [Y/n/?] y