diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/btf.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index 6d9e711cb5d4..ce212bf39b2b 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -534,6 +534,8 @@ static s32 bpf_find_btf_id(const char *name, u32 kind, struct btf **btf_p) btf = bpf_get_btf_vmlinux(); if (IS_ERR(btf)) return PTR_ERR(btf); + if (!btf) + return -EINVAL; ret = btf_find_by_name_kind(btf, name, kind); /* ret is never zero, since btf_find_by_name_kind returns @@ -6584,7 +6586,7 @@ static struct btf *btf_get_module_btf(const struct module *module) if (!module) { btf = bpf_get_btf_vmlinux(); - if (!IS_ERR(btf)) + if (!IS_ERR_OR_NULL(btf)) btf_get(btf); return btf; } @@ -7180,6 +7182,8 @@ bpf_core_find_cands(struct bpf_core_ctx *ctx, u32 local_type_id) main_btf = bpf_get_btf_vmlinux(); if (IS_ERR(main_btf)) return ERR_CAST(main_btf); + if (!main_btf) + return ERR_PTR(-EINVAL); local_type = btf_type_by_id(local_btf, local_type_id); if (!local_type) |