* kernel/bpf/helpers.c:2307:17: warning: no previous declaration for 'bpf_dynptr_adjust'
@ 2023-09-14 13:02 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-09-14 13:02 UTC (permalink / raw)
To: Joanne Koong
Cc: oe-kbuild-all, linux-kernel, Daniel Borkmann, Andrii Nakryiko
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: aed8aee11130a954356200afa3f1b8753e8a9482
commit: 987d0242d189661f78b77cc4d77f843b15600fed bpf: Add bpf_dynptr_adjust
date: 5 months ago
config: x86_64-randconfig-002-20230910 (https://download.01.org/0day-ci/archive/20230914/202309142045.CbO5iFUB-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230914/202309142045.CbO5iFUB-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/202309142045.CbO5iFUB-lkp@intel.com/
All warnings (new ones prefixed by >>):
kernel/bpf/helpers.c:1889:19: warning: no previous declaration for 'bpf_obj_new_impl' [-Wmissing-declarations]
__bpf_kfunc void *bpf_obj_new_impl(u64 local_type_id__k, void *meta__ign)
^~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1919:18: warning: no previous declaration for 'bpf_obj_drop_impl' [-Wmissing-declarations]
__bpf_kfunc void bpf_obj_drop_impl(void *p__alloc, void *meta__ign)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1927:19: warning: no previous declaration for 'bpf_refcount_acquire_impl' [-Wmissing-declarations]
__bpf_kfunc void *bpf_refcount_acquire_impl(void *p__refcounted_kptr, void *meta__ign)
^~~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1962:17: warning: no previous declaration for 'bpf_list_push_front_impl' [-Wmissing-declarations]
__bpf_kfunc int bpf_list_push_front_impl(struct bpf_list_head *head,
^~~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1972:17: warning: no previous declaration for 'bpf_list_push_back_impl' [-Wmissing-declarations]
__bpf_kfunc int bpf_list_push_back_impl(struct bpf_list_head *head,
^~~~~~~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:1998:35: warning: no previous declaration for 'bpf_list_pop_front' [-Wmissing-declarations]
__bpf_kfunc struct bpf_list_node *bpf_list_pop_front(struct bpf_list_head *head)
^~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2003:35: warning: no previous declaration for 'bpf_list_pop_back' [-Wmissing-declarations]
__bpf_kfunc struct bpf_list_node *bpf_list_pop_back(struct bpf_list_head *head)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2008:33: warning: no previous declaration for 'bpf_rbtree_remove' [-Wmissing-declarations]
__bpf_kfunc struct bpf_rb_node *bpf_rbtree_remove(struct bpf_rb_root *root,
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2054:17: warning: no previous declaration for 'bpf_rbtree_add_impl' [-Wmissing-declarations]
__bpf_kfunc int bpf_rbtree_add_impl(struct bpf_rb_root *root, struct bpf_rb_node *node,
^~~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2063:33: warning: no previous declaration for 'bpf_rbtree_first' [-Wmissing-declarations]
__bpf_kfunc struct bpf_rb_node *bpf_rbtree_first(struct bpf_rb_root *root)
^~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2076:33: warning: no previous declaration for 'bpf_task_acquire' [-Wmissing-declarations]
__bpf_kfunc struct task_struct *bpf_task_acquire(struct task_struct *p)
^~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2087:18: warning: no previous declaration for 'bpf_task_release' [-Wmissing-declarations]
__bpf_kfunc void bpf_task_release(struct task_struct *p)
^~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2099:28: warning: no previous declaration for 'bpf_cgroup_acquire' [-Wmissing-declarations]
__bpf_kfunc struct cgroup *bpf_cgroup_acquire(struct cgroup *cgrp)
^~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2111:18: warning: no previous declaration for 'bpf_cgroup_release' [-Wmissing-declarations]
__bpf_kfunc void bpf_cgroup_release(struct cgroup *cgrp)
^~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2123:28: warning: no previous declaration for 'bpf_cgroup_ancestor' [-Wmissing-declarations]
__bpf_kfunc struct cgroup *bpf_cgroup_ancestor(struct cgroup *cgrp, int level)
^~~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2143:28: warning: no previous declaration for 'bpf_cgroup_from_id' [-Wmissing-declarations]
__bpf_kfunc struct cgroup *bpf_cgroup_from_id(u64 cgid)
^~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2160:33: warning: no previous declaration for 'bpf_task_from_pid' [-Wmissing-declarations]
__bpf_kfunc struct task_struct *bpf_task_from_pid(s32 pid)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2199:19: warning: no previous declaration for 'bpf_dynptr_slice' [-Wmissing-declarations]
__bpf_kfunc void *bpf_dynptr_slice(const struct bpf_dynptr_kern *ptr, u32 offset,
^~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2276:19: warning: no previous declaration for 'bpf_dynptr_slice_rdwr' [-Wmissing-declarations]
__bpf_kfunc void *bpf_dynptr_slice_rdwr(const struct bpf_dynptr_kern *ptr, u32 offset,
^~~~~~~~~~~~~~~~~~~~~
>> kernel/bpf/helpers.c:2307:17: warning: no previous declaration for 'bpf_dynptr_adjust' [-Wmissing-declarations]
__bpf_kfunc int bpf_dynptr_adjust(struct bpf_dynptr_kern *ptr, u32 start, u32 end)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2325:19: warning: no previous declaration for 'bpf_cast_to_kern_ctx' [-Wmissing-declarations]
__bpf_kfunc void *bpf_cast_to_kern_ctx(void *obj)
^~~~~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2330:19: warning: no previous declaration for 'bpf_rdonly_cast' [-Wmissing-declarations]
__bpf_kfunc void *bpf_rdonly_cast(void *obj__ign, u32 btf_id__k)
^~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2335:18: warning: no previous declaration for 'bpf_rcu_read_lock' [-Wmissing-declarations]
__bpf_kfunc void bpf_rcu_read_lock(void)
^~~~~~~~~~~~~~~~~
kernel/bpf/helpers.c:2340:18: warning: no previous declaration for 'bpf_rcu_read_unlock' [-Wmissing-declarations]
__bpf_kfunc void bpf_rcu_read_unlock(void)
^~~~~~~~~~~~~~~~~~~
vim +/bpf_dynptr_adjust +2307 kernel/bpf/helpers.c
2306
> 2307 __bpf_kfunc int bpf_dynptr_adjust(struct bpf_dynptr_kern *ptr, u32 start, u32 end)
2308 {
2309 u32 size;
2310
2311 if (!ptr->data || start > end)
2312 return -EINVAL;
2313
2314 size = bpf_dynptr_get_size(ptr);
2315
2316 if (start > size || end > size)
2317 return -ERANGE;
2318
2319 ptr->offset += start;
2320 bpf_dynptr_set_size(ptr, end - start);
2321
2322 return 0;
2323 }
2324
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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