linux-kernel - [PATCH] bpf: remove redundant assignment of variable id

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Message-Id: <20210326194348.623782-1-colin.king@canonical.com>
Date:   Fri, 26 Mar 2021 19:43:48 +0000
From:   Colin King <colin.king@...onical.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] bpf: remove redundant assignment of variable id

From: Colin Ian King <colin.king@...onical.com>

The variable id is being assigned a value that is never
read, the assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 kernel/bpf/btf.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 369faeddf1df..b22fb29347c0 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -789,7 +789,6 @@ static const struct btf_type *btf_type_skip_qualifiers(const struct btf *btf,
 
 	while (btf_type_is_modifier(t) &&
 	       BTF_INFO_KIND(t->info) != BTF_KIND_TYPEDEF) {
-		id = t->type;
 		t = btf_type_by_id(btf, t->type);
 	}
 
-- 
2.30.2