Hi Jinyoung, kernel test robot noticed the following build warnings: [auto build test WARNING on axboe-block/for-next] [also build test WARNING on mkp-scsi/for-next jejb-scsi/for-next linus/master v6.3 next-20230428] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jinyoung-CHOI/block-blk-integiry-add-helper-functions-for-bio_integrity_add_page/20230503-183015 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next patch link: https://lore.kernel.org/r/20230503101048epcms2p61d61df1431955d9517c9939999ee3478%40epcms2p6 patch subject: [PATCH 05/15] block: fix not to apply bip information in blk_rq_bio_prep() config: hexagon-randconfig-r045-20230503 (https://download.01.org/0day-ci/archive/20230504/202305040206.hTkXRgzQ-lkp@xxxxxxxxx/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b1465cd49efcbc114a75220b153f5a055ce7911f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/584edc6ae9cb23e8a778ee73d711b9143038a047 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jinyoung-CHOI/block-blk-integiry-add-helper-functions-for-bio_integrity_add_page/20230503-183015 git checkout 584edc6ae9cb23e8a778ee73d711b9143038a047 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/md/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305040206.hTkXRgzQ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from drivers/md/md-bitmap.c:19: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) ^ In file included from drivers/md/md-bitmap.c:19: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) ^ In file included from drivers/md/md-bitmap.c:19: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:13: In file included from arch/hexagon/include/asm/io.h:334: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ In file included from drivers/md/md-bitmap.c:31: In file included from include/trace/events/block.h:8: In file included from include/linux/blktrace_api.h:5: include/linux/blk-mq.h:972:7: error: no member named 'nr_integrity_segments' in 'struct request' rq->nr_integrity_segments = bio_integrity(bio)->bip_vcnt; ~~ ^ include/linux/blk-mq.h:972:49: error: member reference base type 'void' is not a structure or union rq->nr_integrity_segments = bio_integrity(bio)->bip_vcnt; ~~~~~~~~~~~~~~~~~~^ ~~~~~~~~ >> drivers/md/md-bitmap.c:2564:34: warning: result of comparison of constant 4294967296 with expression of type 'unsigned long' is always false [-Wtautological-constant-out-of-range-compare] if (BITS_PER_LONG > 32 && csize >= (1ULL << (BITS_PER_BYTE * ~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~ 7 warnings and 2 errors generated. vim +2564 drivers/md/md-bitmap.c 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2549 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2550 static ssize_t fd01b88c75a718 drivers/md/bitmap.c NeilBrown 2011-10-11 2551 chunksize_store(struct mddev *mddev, const char *buf, size_t len) 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2552 { 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2553 /* Can only be changed when no bitmap is active */ 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2554 int rv; 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2555 unsigned long csize; 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2556 if (mddev->bitmap) 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2557 return -EBUSY; b29bebd66dbd49 drivers/md/bitmap.c Jingoo Han 2013-06-01 2558 rv = kstrtoul(buf, 10, &csize); 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2559 if (rv) 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2560 return rv; 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2561 if (csize < 512 || 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2562 !is_power_of_2(csize)) 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2563 return -EINVAL; 4555211190798b drivers/md/md-bitmap.c Florian-Ewald Mueller 2022-10-25 @2564 if (BITS_PER_LONG > 32 && csize >= (1ULL << (BITS_PER_BYTE * 4555211190798b drivers/md/md-bitmap.c Florian-Ewald Mueller 2022-10-25 2565 sizeof(((bitmap_super_t *)0)->chunksize)))) 4555211190798b drivers/md/md-bitmap.c Florian-Ewald Mueller 2022-10-25 2566 return -EOVERFLOW; 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2567 mddev->bitmap_info.chunksize = csize; 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2568 return len; 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2569 } 43a705076e51c5 drivers/md/bitmap.c NeilBrown 2009-12-14 2570 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests