1754 	if (prog->aux->attach_btf)  in __bpf_prog_put_noref()
1755 		btf_put(prog->aux->attach_btf);  in __bpf_prog_put_noref()
2017 			   struct btf *attach_btf, u32 btf_id,  in bpf_prog_load_check_attach()  argument
2024 		if (!attach_btf && !dst_prog)  in bpf_prog_load_check_attach()
2038 	if (attach_btf && (!btf_id || dst_prog))  in bpf_prog_load_check_attach()
2168 	struct btf *attach_btf = NULL;  in bpf_prog_load()  local
2218 			attach_btf = btf_get_by_fd(attr->attach_btf_obj_fd);  in bpf_prog_load()
2219 			if (IS_ERR(attach_btf))  in bpf_prog_load()
2221 			if (!btf_is_kernel(attach_btf)) {  in bpf_prog_load()
2225 				btf_put(attach_btf);  in bpf_prog_load()
2231 		attach_btf = bpf_get_btf_vmlinux();  in bpf_prog_load()
2232 		if (IS_ERR(attach_btf))  in bpf_prog_load()
2233 			return PTR_ERR(attach_btf);  in bpf_prog_load()
2234 		if (!attach_btf)  in bpf_prog_load()
2236 		btf_get(attach_btf);  in bpf_prog_load()
2241 				       attach_btf, attr->attach_btf_id,  in bpf_prog_load()
2245 		if (attach_btf)  in bpf_prog_load()
2246 			btf_put(attach_btf);  in bpf_prog_load()
2255 		if (attach_btf)  in bpf_prog_load()
2256 			btf_put(attach_btf);  in bpf_prog_load()
2261 	prog->aux->attach_btf = attach_btf;  in bpf_prog_load()
2350 	if (prog->aux->attach_btf)  in bpf_prog_load()
2351 		btf_put(prog->aux->attach_btf);  in bpf_prog_load()
2757 		key = bpf_trampoline_compute_key(NULL, prog->aux->attach_btf, btf_id);  in bpf_tracing_prog_attach()