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-rw-r--r--kernel/bpf/btf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 40efde5eedcb..7d40da240891 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -3463,6 +3463,7 @@ enum {
__ctx_convert##_id,
#include <linux/bpf_types.h>
#undef BPF_PROG_TYPE
+ __ctx_convert_unused, /* to avoid empty enum in extreme .config */
};
static u8 bpf_ctx_convert_map[] = {
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \
@@ -3976,8 +3977,10 @@ static int __get_type_size(struct btf *btf, u32 btf_id,
t = btf_type_by_id(btf, btf_id);
while (t && btf_type_is_modifier(t))
t = btf_type_by_id(btf, t->type);
- if (!t)
+ if (!t) {
+ *bad_type = btf->types[0];
return -EINVAL;
+ }
if (btf_type_is_ptr(t))
/* kernel size of pointer. Not BPF's size of pointer*/
return sizeof(void *);