From: Jianlin Lv <Jianlin.Lv@arm.com>
Date: Thu, 18 Mar 2021 02:48:51 +0000 (+0800)
Subject: bpf: Remove insn_buf[] declaration in inner block
X-Git-Tag: v5.13-rc1~94^2~398^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9ef05281e5d01dffdf75a4ae5c1aee7cbd7aaa73;p=thirdparty%2Fkernel%2Flinux.git

bpf: Remove insn_buf[] declaration in inner block

Two insn_buf[16] variables are declared in the function which acts on
function scope and block scope respectively. The statement in the inner
block is redundant, so remove it.

Signed-off-by: Jianlin Lv <Jianlin.Lv@arm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20210318024851.49693-1-Jianlin.Lv@arm.com
---

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index f9096b049cd6d..e26c5170c953d 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -11899,7 +11899,6 @@ static int do_misc_fixups(struct bpf_verifier_env *env)
 		    insn->code == (BPF_ALU64 | BPF_SUB | BPF_X)) {
 			const u8 code_add = BPF_ALU64 | BPF_ADD | BPF_X;
 			const u8 code_sub = BPF_ALU64 | BPF_SUB | BPF_X;
-			struct bpf_insn insn_buf[16];
 			struct bpf_insn *patch = &insn_buf[0];
 			bool issrc, isneg;
 			u32 off_reg;