From: Geliang Tang <tanggeliang@kylinos.cn>
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 <tanggeliang@kylinos.cn>
---
kernel/bpf/btf.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index f7725cb6e564..16eb937eca46 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))
--
2.40.1