From: Geliang Tang Date: Thu, 8 Feb 2024 06:24:21 +0000 (+0800) Subject: bpf, btf: Fix return value of register_btf_id_dtor_kfuncs X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b9a395f0f7af66fe8224450481b99d4f83b57207;p=linux.git bpf, btf: Fix return value of register_btf_id_dtor_kfuncs The same as __register_btf_kfunc_id_set(), to let the modules with stripped btf section loaded, this patch changes the return value of register_btf_id_dtor_kfuncs() too from -ENOENT to 0 when btf is NULL. Signed-off-by: Geliang Tang Link: https://lore.kernel.org/r/eab65586d7fb0e72f2707d3747c7d4a5d60c823f.1707373307.git.tanggeliang@kylinos.cn Signed-off-by: Martin KaFai Lau --- diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index f7725cb6e564b..16eb937eca462 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -8219,10 +8219,8 @@ int register_btf_id_dtor_kfuncs(const struct btf_id_dtor_kfunc *dtors, u32 add_c pr_err("missing vmlinux BTF, cannot register dtor kfuncs\n"); return -ENOENT; } - if (owner && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES)) { - pr_err("missing module BTF, cannot register dtor kfuncs\n"); - return -ENOENT; - } + if (owner && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES)) + pr_warn("missing module BTF, cannot register dtor kfuncs\n"); return 0; } if (IS_ERR(btf))