diff options
Diffstat (limited to 'include/linux/bpf.h')
| -rw-r--r-- | include/linux/bpf.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 0c3893c47171..19d8ca8ac960 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -2246,7 +2246,16 @@ void __bpf_obj_drop_impl(void *p, const struct btf_record *rec, bool percpu); struct bpf_map *bpf_map_get(u32 ufd); struct bpf_map *bpf_map_get_with_uref(u32 ufd); -struct bpf_map *__bpf_map_get(struct fd f); + +static inline struct bpf_map *__bpf_map_get(struct fd f) +{ + if (fd_empty(f)) + return ERR_PTR(-EBADF); + if (unlikely(fd_file(f)->f_op != &bpf_map_fops)) + return ERR_PTR(-EINVAL); + return fd_file(f)->private_data; +} + void bpf_map_inc(struct bpf_map *map); void bpf_map_inc_with_uref(struct bpf_map *map); struct bpf_map *__bpf_map_inc_not_zero(struct bpf_map *map, bool uref); |