diff mbox series

[bpf-next,v5,2/6] bpf: Add stub for btf_struct_access()

Message ID 4021398e884433b1fef57a4d28361bb9fcf1bd05.1662568410.git.dxu@dxuuu.xyz
State Handled Elsewhere
Delegated to: Pablo Neira
Headers show
Series Support direct writes to nf_conn:mark | expand

Commit Message

Daniel Xu Sept. 7, 2022, 4:40 p.m. UTC 
Add corresponding unimplemented stub for when CONFIG_BPF_SYSCALL=n

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
 include/linux/bpf.h | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 4d32f125f4af..cee2b008f2b5 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -2169,6 +2169,15 @@  static inline struct bpf_prog *bpf_prog_by_id(u32 id)
 	return ERR_PTR(-ENOTSUPP);
 }
 
+static inline int btf_struct_access(struct bpf_verifier_log *log,
+				    const struct btf *btf,
+				    const struct btf_type *t, int off, int size,
+				    enum bpf_access_type atype,
+				    u32 *next_btf_id, enum bpf_type_flag *flag)
+{
+	return -EACCES;
+}
+
 static inline const struct bpf_func_proto *
 bpf_base_func_proto(enum bpf_func_id func_id)
 {