linux-kernel - [PATCH bpf-next 1/2 v2] bpf: Simplify code with BPF_CALL

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Message-Id: <20241002152307.388565-1-chen.dylane@gmail.com>
Date: Wed,  2 Oct 2024 23:23:07 +0800
From: Tao Chen <chen.dylane@...il.com>
To: Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	John Fastabend <john.fastabend@...il.com>,
	Andrii Nakryiko <andrii@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	Eduard Zingerman <eddyz87@...il.com>,
	Song Liu <song@...nel.org>,
	Yonghong Song <yonghong.song@...ux.dev>,
	Jiri Olsa <jolsa@...nel.org>
Cc: bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Tao Chen <chen.dylane@...il.com>
Subject: [PATCH bpf-next 1/2 v2] bpf: Simplify code with BPF_CALL_IMM

No logic changed, simplify code with BPF_CALL_IMM.

Signed-off-by: Tao Chen <chen.dylane@...il.com>
---
 kernel/bpf/verifier.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 53d0556fbbf3..26fe57c79f93 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -21157,7 +21157,7 @@ static int do_misc_fixups(struct bpf_verifier_env *env)
 				func_id_name(insn->imm), insn->imm);
 			return -EFAULT;
 		}
-		insn->imm = fn->func - __bpf_call_base;
+		insn->imm = BPF_CALL_IMM(fn->func);
 next_insn:
 		if (subprogs[cur_subprog + 1].start == i + delta + 1) {
 			subprogs[cur_subprog].stack_depth += stack_depth_extra;
-- 
2.43.0