../kernel/bpf/syscall.c: In function ‘load_fd’:
../kernel/bpf/syscall.c:6290:47: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6290 |                 if (copy_from_user(obj->maps, (const void *)attr->load_fd.maps,
      |                                               ^
../kernel/bpf/syscall.c:6310:45: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6310 |                 if (copy_from_user(modules, (const void *)attr->load_fd.modules,
      |                                             ^
../kernel/bpf/syscall.c: At top level:
../kernel/bpf/syscall.c:6092:1: warning: ‘skip_mods_and_typedefs’ defined but not used [-Wunused-function]
 6092 | skip_mods_and_typedefs(const struct btf *btf, u32 id, u32 *res_id)
      | ^~~~~~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c:6082:13: warning: ‘sym_is_extern’ defined but not used [-Wunused-function]
 6082 | static bool sym_is_extern(const Elf64_Sym *sym)
      |             ^~~~~~~~~~~~~
../kernel/bpf/syscall.c:6056:12: warning: ‘find_extern_sec_btf_id’ defined but not used [-Wunused-function]
 6056 | static int find_extern_sec_btf_id(struct btf *btf, int ext_btf_id)
      |            ^~~~~~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c:6016:12: warning: ‘find_extern_btf_id’ defined but not used [-Wunused-function]
 6016 | static int find_extern_btf_id(const struct btf *btf, const char *ext_name)
      |            ^~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c:5998:12: warning: ‘elf_sec_idx_by_name’ defined but not used [-Wunused-function]
 5998 | static int elf_sec_idx_by_name(struct bpf_obj *obj, const char *name)
      |            ^~~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c:5948:24: warning: ‘btf_ext__new’ defined but not used [-Wunused-function]
 5948 | static struct btf_ext *btf_ext__new(const __u8 *data, __u32 size)
      |                        ^~~~~~~~~~~~
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/gpib/fmh_gpib/fmh_gpib.o
../kernel/bpf/syscall.c: In function ‘load_fd’:
../kernel/bpf/syscall.c:6461:47: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6461 |                 if (copy_from_user(obj->maps, (const void *)attr->load_fd.maps,
      |                                               ^
../kernel/bpf/syscall.c:6481:45: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6481 |                 if (copy_from_user(modules, (const void *)attr->load_fd.modules,
      |                                             ^
../kernel/bpf/syscall.c: At top level:
../kernel/bpf/syscall.c:6092:1: warning: ‘skip_mods_and_typedefs’ defined but not used [-Wunused-function]
 6092 | skip_mods_and_typedefs(const struct btf *btf, u32 id, u32 *res_id)
      | ^~~~~~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c:6082:13: warning: ‘sym_is_extern’ defined but not used [-Wunused-function]
 6082 | static bool sym_is_extern(const Elf64_Sym *sym)
      |             ^~~~~~~~~~~~~
../kernel/bpf/syscall.c:6056:12: warning: ‘find_extern_sec_btf_id’ defined but not used [-Wunused-function]
 6056 | static int find_extern_sec_btf_id(struct btf *btf, int ext_btf_id)
      |            ^~~~~~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c:6016:12: warning: ‘find_extern_btf_id’ defined but not used [-Wunused-function]
 6016 | static int find_extern_btf_id(const struct btf *btf, const char *ext_name)
      |            ^~~~~~~~~~~~~~~~~~
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/gpib/fmh_gpib/fmh_gpib.o