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* [PATCH] samples:bpf:remove unneeded variable
@ 2021-12-09  1:55 cgel.zte
  2021-12-09  7:13 ` Andrii Nakryiko
  0 siblings, 1 reply; 5+ messages in thread
From: cgel.zte @ 2021-12-09  1:55 UTC (permalink / raw)
  To: ast
  Cc: daniel, davem, kuba, hawk, john.fastabend, andrii, kafai,
	songliubraving, yhs, kpsingh, netdev, bpf, linux-kernel,
	chiminghao, Zeal Robot

From: chiminghao <chi.minghao@zte.com.cn>

return value form directly instead of
taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cm>
Signed-off-by: chiminghao <chi.minghao@zte.com.cn>
---
 samples/bpf/xdp_redirect_cpu.bpf.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/samples/bpf/xdp_redirect_cpu.bpf.c b/samples/bpf/xdp_redirect_cpu.bpf.c
index f10fe3cf25f6..25e3a405375f 100644
--- a/samples/bpf/xdp_redirect_cpu.bpf.c
+++ b/samples/bpf/xdp_redirect_cpu.bpf.c
@@ -100,7 +100,6 @@ u16 get_dest_port_ipv4_udp(struct xdp_md *ctx, u64 nh_off)
 	void *data     = (void *)(long)ctx->data;
 	struct iphdr *iph = data + nh_off;
 	struct udphdr *udph;
-	u16 dport;
 
 	if (iph + 1 > data_end)
 		return 0;
@@ -111,8 +110,7 @@ u16 get_dest_port_ipv4_udp(struct xdp_md *ctx, u64 nh_off)
 	if (udph + 1 > data_end)
 		return 0;
 
-	dport = bpf_ntohs(udph->dest);
-	return dport;
+	return bpf_ntohs(udph->dest);
 }
 
 static __always_inline
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2021-12-09 17:30 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-09  1:55 [PATCH] samples:bpf:remove unneeded variable cgel.zte
2021-12-09  7:13 ` Andrii Nakryiko
2021-12-09  8:00   ` [PATCHv2 bpf-next] samples/bpf:remove " cgel.zte
2021-12-09 17:27     ` Andrii Nakryiko
2021-12-09 17:30     ` patchwork-bot+netdevbpf

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