diff options
| author | Kumar Kartikeya Dwivedi <memxor@gmail.com> | 2021-11-22 20:17:41 +0530 |
|---|---|---|
| committer | Andrii Nakryiko <andrii@kernel.org> | 2021-12-02 13:39:46 -0800 |
| commit | b12f031043247b80999bf5e03b8cded3b0b40f8d (patch) | |
| tree | dab61f9512dee774fa85bedee54ee70439f8a66a | |
| parent | d9847eb8be3d895b2b5f514fdf3885d47a0b92a2 (diff) | |
bpf: Fix bpf_check_mod_kfunc_call for built-in modules
When module registering its set is built-in, THIS_MODULE will be NULL,
hence we cannot return early in case owner is NULL.
Fixes: 14f267d95fe4 ("bpf: btf: Introduce helpers for dynamic BTF set registration")
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20211122144742.477787-3-memxor@gmail.com
| -rw-r--r-- | kernel/bpf/btf.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index ea3df9867cec..9bdb03767db5 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -6371,8 +6371,6 @@ bool bpf_check_mod_kfunc_call(struct kfunc_btf_id_list *klist, u32 kfunc_id, { struct kfunc_btf_id_set *s; - if (!owner) - return false; mutex_lock(&klist->mutex); list_for_each_entry(s, &klist->list, list) { if (s->owner == owner && btf_id_set_contains(s->set, kfunc_id)) { |