[PATCH bpf-next] bpf: Fix build without BPF_LSM.
From: Alexei Starovoitov <hidden>
Date: 2020-08-31 16:31:36
Also in:
bpf
Subsystem:
bpf [core], bpf [general] (safe dynamic programs and tools), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
From: Alexei Starovoitov <ast@kernel.org>
resolve_btfids doesn't like empty set. Add unused ID when BPF_LSM is off.
Reported-by: Björn Töpel <redacted>
Fixes: 1e6c62a88215 ("bpf: Introduce sleepable BPF programs")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
kernel/bpf/verifier.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 3ebfdb7bd427..b4c22b5ce5a2 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c@@ -11008,6 +11008,8 @@ BTF_SET_START(btf_sleepable_lsm_hooks) #ifdef CONFIG_BPF_LSM BTF_ID(func, bpf_lsm_file_mprotect) BTF_ID(func, bpf_lsm_bprm_committed_creds) +#else +BTF_ID_UNUSED #endif BTF_SET_END(btf_sleepable_lsm_hooks)
--
2.23.0