Messages in this thread |  | | Date | Fri, 6 Mar 2026 16:52:25 +0100 | | From | kernel test robot <> | | Subject | Re: [PATCH 1/2] block: Use struct_size() helper in kmalloc() |
| |
Hi luoqing,
kernel test robot noticed the following build errors:
[auto build test ERROR on axboe/for-next] [also build test ERROR on device-mapper-dm/for-next next-20260305] [cannot apply to linus/master v6.16-rc1] [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/luoqing/dm-bufio-Use-struct_size-helper-in-kmalloc/20260306-165625 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-next patch link: https://lore.kernel.org/r/20260306080056.1262324-1-l1138897701%40163.com patch subject: [PATCH 1/2] block: Use struct_size() helper in kmalloc() config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260306/202603061605.8Q7r4bnr-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260306/202603061605.8Q7r4bnr-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202603061605.8Q7r4bnr-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/percpu.h:5, from arch/x86/include/asm/msr.h:16, from arch/x86/include/asm/tsc.h:11, from arch/x86/include/asm/timex.h:6, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/jiffies.h:10, from include/linux/ktime.h:25, from include/linux/timer.h:6, from include/linux/uprobes.h:18, from include/linux/mm_types.h:16, from include/linux/mmzone.h:22, from include/linux/gfp.h:7, from include/linux/mm.h:8, from block/bio.c:5: block/bio.c: In function 'bio_kmalloc': >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask);
vim +660 block/bio.c
637 638 /** 639 * bio_kmalloc - kmalloc a bio 640 * @nr_vecs: number of bio_vecs to allocate 641 * @gfp_mask: the GFP_* mask given to the slab allocator 642 * 643 * Use kmalloc to allocate a bio (including bvecs). The bio must be initialized 644 * using bio_init() before use. To free a bio returned from this function use 645 * kfree() after calling bio_uninit(). A bio returned from this function can 646 * be reused by calling bio_uninit() before calling bio_init() again. 647 * 648 * Note that unlike bio_alloc() or bio_alloc_bioset() allocations from this 649 * function are not backed by a mempool can fail. Do not use this function 650 * for allocations in the file system I/O path. 651 * 652 * Returns: Pointer to new bio on success, NULL on failure. 653 */ 654 struct bio *bio_kmalloc(unsigned short nr_vecs, gfp_t gfp_mask) 655 { 656 struct bio *bio; 657 658 if (nr_vecs > BIO_MAX_INLINE_VECS) 659 return NULL; > 660 return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); 661 } 662 EXPORT_SYMBOL(bio_kmalloc); 663
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