Re: [PATCH] samples:bpf:remove unneeded variable

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On Wed, Dec 8, 2021 at 5:55 PM <cgel.zte@xxxxxxxxx> wrote:
>
> From: chiminghao <chi.minghao@xxxxxxxxxx>
>
> return value form directly instead of
> taking this in another redundant variable.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: chiminghao <chi.minghao@xxxxxxxxxx>

Signed-off-by should contain properly capitalized full name, please update.

Also please use "samples/bpf: " patch prefix and use [PATCH bpf-next]
to designate the destination kernel tree. Thanks.

> ---
>  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
>



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