linux-kernel - [PATCH] bpf, x86:remove unneeded variable

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Message-Id: <20211103054722.25285-1-zhang.mingyu@zte.com.cn>
Date:   Wed,  3 Nov 2021 05:47:22 +0000
From:   cgel.zte@...il.com
To:     davem@...emloft.net
Cc:     yoshfuji@...ux-ipv6.org, dsahern@...nel.org, udknight@...il.com,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
        ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Zhang Mingyu <zhang.mingyu@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] bpf, x86:remove unneeded variable

From: Zhang Mingyu <zhang.mingyu@....com.cn>

Fix the following coccinelle REVIEW:
./arch/x86/net/bpf_jit_comp32.c:1274:5-8

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Zhang Mingyu <zhang.mingyu@....com.cn>
---
 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 da9b7cfa4632..bce7b9b5a653 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;
 }
 
 /*
-- 
2.25.1