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samples/bpf: Remove unneeded variable

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Return value directly instead of taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cm>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211209080051.421844-1-chi.minghao@zte.com.cn
This commit is contained in:
Minghao Chi 2021-12-09 08:00:51 +00:00 committed by Andrii Nakryiko
parent 73b6eae583
commit ac55b3f00c
1 changed files with 1 additions and 3 deletions
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4
samples/bpf/xdp_redirect_cpu.bpf.c
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@ -100,7 +100,6 @@ u16 get_dest_port_ipv4_udp(struct xdp_md *ctx, u64 nh_off)
void *data = (void *)(long)ctx->data; void *data = (void *)(long)ctx->data;
struct iphdr *iph = data + nh_off; struct iphdr *iph = data + nh_off;
struct udphdr *udph; struct udphdr *udph;
u16 dport;
if (iph + 1 > data_end) if (iph + 1 > data_end)
return 0; return 0;
@ -111,8 +110,7 @@ u16 get_dest_port_ipv4_udp(struct xdp_md *ctx, u64 nh_off)
if (udph + 1 > data_end) if (udph + 1 > data_end)
return 0; return 0;
dport = bpf_ntohs(udph->dest); return bpf_ntohs(udph->dest);
return dport;
} }
static __always_inline static __always_inline