[PATCH bpf-next] bpf: compile out btf_parse_module() if module BTF is not enabled

[Andrii Nakryiko]

Make sure btf_parse_module() is compiled out if module BTFs are not enabled.

Reported-by: Stephen Rothwell <s...@canb.auug.org.au>
Fixes: 36e68442d1af ("bpf: Load and verify kernel module BTFs")
Signed-off-by: Andrii Nakryiko <and...@kernel.org>
---
 kernel/bpf/btf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 0f1fd2669d69..6b2d508b33d4 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -4478,6 +4478,8 @@ struct btf *btf_parse_vmlinux(void)
        return ERR_PTR(err);
 }
 
+#ifdef CONFIG_DEBUG_INFO_BTF_MODULES
+
 static struct btf *btf_parse_module(const char *module_name, const void *data, 
unsigned int data_size)
 {
        struct btf_verifier_env *env = NULL;
@@ -4547,6 +4549,8 @@ static struct btf *btf_parse_module(const char 
*module_name, const void *data, u
        return ERR_PTR(err);
 }
 
+#endif /* CONFIG_DEBUG_INFO_BTF_MODULES */
+
 struct btf *bpf_prog_get_target_btf(const struct bpf_prog *prog)
 {
        struct bpf_prog *tgt_prog = prog->aux->dst_prog;
-- 
2.24.1