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Message-ID: <20220622031923.65692-1-wangchuanguo@inspur.com>
Date: Tue, 21 Jun 2022 23:19:23 -0400
From: Simon wang <wangchuanguo@...pur.com>
To: <ast@...nel.org>, <daniel@...earbox.net>, <andrii@...nel.org>
CC: <netdev@...r.kernel.org>, <bpf@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Simon Wang <wangchuanguo@...pur.com>
Subject: [PATCH] bpf: Replace 0 with BPF_K
From: Simon Wang <wangchuanguo@...pur.com>
Enhance readability.
Signed-off-by: Simon Wang <wangchuanguo@...pur.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 2859901ffbe3..29060f15daab 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -9064,7 +9064,7 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
if (opcode == BPF_END || opcode == BPF_NEG) {
if (opcode == BPF_NEG) {
- if (BPF_SRC(insn->code) != 0 ||
+ if (BPF_SRC(insn->code) != BPF_K ||
insn->src_reg != BPF_REG_0 ||
insn->off != 0 || insn->imm != 0) {
verbose(env, "BPF_NEG uses reserved fields\n");
--
2.27.0
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