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authorAndrii Nakryiko <andrii@kernel.org>2020-11-11 07:06:45 +0300
committerAlexei Starovoitov <ast@kernel.org>2020-11-11 07:15:07 +0300
commit7112d127984bd7b0c8ded7973b358829f16735f5 (patch)
tree425d9859fc965a8f49ae5e5a644f9f2216b1b6a3 /kernel/bpf
parent9600d623dba42499e78f7dccbc12e392392a90a5 (diff)
downloadlinux-7112d127984bd7b0c8ded7973b358829f16735f5.tar.xz
bpf: Compile out btf_parse_module() if module BTF is not enabled
Make sure btf_parse_module() is compiled out if module BTFs are not enabled. Fixes: 36e68442d1af ("bpf: Load and verify kernel module BTFs") Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20201111040645.903494-1-andrii@kernel.org
Diffstat (limited to 'kernel/bpf')
-rw-r--r--kernel/bpf/btf.c4
1 files changed, 4 insertions, 0 deletions
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 @@ errout:
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 @@ errout:
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;