From: Yihao Han <hanyihao@vivo.com>
To: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
netdev@vger.kernel.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: kernel@vivo.com, Yihao Han <hanyihao@vivo.com>
Subject: [PATCH v2] samples/bpf: xdpsock: fix swap.cocci warning
Date: Thu, 9 Dec 2021 01:22:50 -0800 [thread overview]
Message-ID: <20211209092250.56430-1-hanyihao@vivo.com> (raw)
Fix following swap.cocci warning:
./samples/bpf/xdpsock_user.c:528:22-23:
WARNING opportunity for swap()
Signed-off-by: Yihao Han <hanyihao@vivo.com>
---
Change log:
v2:
- Remove temp variable.
---
samples/bpf/xsk_fwd.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/samples/bpf/xsk_fwd.c b/samples/bpf/xsk_fwd.c
index 1cd97c84c337..db15323728c0 100644
--- a/samples/bpf/xsk_fwd.c
+++ b/samples/bpf/xsk_fwd.c
@@ -651,11 +651,8 @@ static void swap_mac_addresses(void *data)
struct ether_header *eth = (struct ether_header *)data;
struct ether_addr *src_addr = (struct ether_addr *)ð->ether_shost;
struct ether_addr *dst_addr = (struct ether_addr *)ð->ether_dhost;
- struct ether_addr tmp;
- tmp = *src_addr;
- *src_addr = *dst_addr;
- *dst_addr = tmp;
+ swap(*src_addr, *dst_addr);
}
static void *
--
2.17.1
next reply other threads:[~2021-12-09 9:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-09 9:22 Yihao Han [this message]
2021-12-09 20:11 ` [PATCH v2] samples/bpf: xdpsock: fix swap.cocci warning John Fastabend
2021-12-10 14:26 ` Toke Høiland-Jørgensen
2021-12-10 23:53 ` Andrii Nakryiko
2021-12-11 18:07 ` Toke Høiland-Jørgensen
2021-12-12 19:46 ` Andrii Nakryiko
2021-12-13 12:09 ` Toke Høiland-Jørgensen
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