linux-kernel - [PATCH] bpf: Remove unneeded variable

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Message-ID: <f65f9d0caf6a315f21eb09e7a29a8189@208suo.com>
Date:   Wed, 14 Jun 2023 14:29:24 +0800
From:   xuanzhenggang001@...suo.com
To:     davem@...emloft.net, dsahern@...nel.org, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com
Cc:     x86@...nel.org, hpa@...or.com, bpf@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] bpf: Remove unneeded variable

Fix the following coccicheck warning:

arch/x86/net/bpf_jit_comp32.c:1274:5-8: Unneeded variable: "cnt".

Signed-off-by: Zhenggang Xuan <xuanzhenggang001@...suo.com>
---
  arch/x86/net/bpf_jit_comp32.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/net/bpf_jit_comp32.c 
b/arch/x86/net/bpf_jit_comp32.c
index 429a89c5468b..bc71329ac5ed 100644
--- a/arch/x86/net/bpf_jit_comp32.c
+++ b/arch/x86/net/bpf_jit_comp32.c
@@ -1271,7 +1271,6 @@ static void emit_epilogue(u8 **pprog, u32 
stack_depth)
  static int emit_jmp_edx(u8 **pprog, u8 *ip)
  {
      u8 *prog = *pprog;
-    int cnt = 0;

  #ifdef CONFIG_RETPOLINE
      EMIT1_off32(0xE9, (u8 *)__x86_indirect_thunk_edx - (ip + 5));
@@ -1280,7 +1279,7 @@ static int emit_jmp_edx(u8 **pprog, u8 *ip)
  #endif
      *pprog = prog;

-    return cnt;
+    return 0;
  }

  /*