Commit 7c81c249 authored by Kui-Feng Lee's avatar Kui-Feng Lee Committed by Martin KaFai Lau
Browse files

bpf: export btf_ctx_access to modules. 



The module requires the use of btf_ctx_access() to invoke
bpf_tracing_btf_ctx_access() from a module. This function is valuable for
implementing validation functions that ensure proper access to ctx.

Signed-off-by: default avatarKui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240119225005.668602-14-thinker.li@gmail.com


Signed-off-by: default avatarMartin KaFai Lau <martin.lau@kernel.org>
parent 9e926acd

kernel/bpf/btf.c

+1 −0
Original line number Diff line number Diff line
@@ -6322,6 +6322,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type, 
		__btf_name_by_offset(btf, t->name_off));

	return true;

}

EXPORT_SYMBOL_GPL(btf_ctx_access);



enum bpf_struct_walk_result {

	/* < 0 error */