linux-kernel - [PATCH bpf-next] bpf: Remove redundant assignment to smap->map.value

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220323073626.958652-1-ytcoode@gmail.com>
Date:   Wed, 23 Mar 2022 15:36:26 +0800
From:   Yuntao Wang <ytcoode@...il.com>
To:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>
Cc:     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, linux-kernel@...r.kernel.org,
        Yuntao Wang <ytcoode@...il.com>
Subject: [PATCH bpf-next] bpf: Remove redundant assignment to smap->map.value_size

The attr->value_size is already assigned to smap->map.value_size
in bpf_map_init_from_attr(), there is no need to do it again in
stack_map_alloc()

Signed-off-by: Yuntao Wang <ytcoode@...il.com>
---
 kernel/bpf/stackmap.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 34725bfa1e97..6131b4a19572 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -106,7 +106,6 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
 		return ERR_PTR(-ENOMEM);
 
 	bpf_map_init_from_attr(&smap->map, attr);
-	smap->map.value_size = value_size;
 	smap->n_buckets = n_buckets;
 
 	err = get_callchain_buffers(sysctl_perf_event_max_stack);
-- 
2.35.0.rc2