diff mbox series

[bpf-next,v5,1/3] bpf, btf: Fix return value of register_btf_id_dtor_kfuncs

Message ID eab65586d7fb0e72f2707d3747c7d4a5d60c823f.1707373307.git.tanggeliang@kylinos.cn (mailing list archive)
State Accepted
Commit b9a395f0f7af66fe8224450481b99d4f83b57207
Delegated to: BPF
Headers show
Series bpf, btf: Add DEBUG_INFO_BTF checks for __register_bpf_struct_ops | expand

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Commit Message

Geliang Tang Feb. 8, 2024, 6:24 a.m. UTC 
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 mbox series

Patch

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))