| Message ID | 20201111040645.903494-1-andrii@kernel.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [bpf-next] bpf: compile out btf_parse_module() if module BTF is not enabled | expand |
On Tue, Nov 10, 2020 at 8:07 PM Andrii Nakryiko <andrii@kernel.org> wrote: > > Make sure btf_parse_module() is compiled out if module BTFs are not enabled. > > Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> > Fixes: 36e68442d1af ("bpf: Load and verify kernel module BTFs") > Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Applied. Thanks for quick fix.
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;
Make sure btf_parse_module() is compiled out if module BTFs are not enabled. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Fixes: 36e68442d1af ("bpf: Load and verify kernel module BTFs") Signed-off-by: Andrii Nakryiko <andrii@kernel.org> --- kernel/bpf/btf.c | 4 ++++ 1 file changed, 4 insertions(+)