On Thu, Nov 14, 2024 at 10:05:42PM -0800, Stephen Hemminger wrote:
> There are two branches in the cascading if/else that have same
> condition and code; remove one. Update the code to follow DPDK
> style where all statements in if should have brackets if any
> leg requires them.
> 

Not actually DPDK style, that is just something that checkpatch recommends
because it is kernel style. DPDK style guide says[1] "Braces that are not
necessary should be left out."
That said, most legs of this if-else block have it so ok to have that
change included for consistency.

[1] 
https://doc.dpdk.org/guides/contributing/coding_style.html#control-statements-and-loops

> Link: https://pvs-studio.com/en/blog/posts/cpp/1183/

Fixes: 2ab5c84605f0 ("net/i40e: fix ESP flow creation")

Acked-by: Bruce Richardson <bruce.richard...@intel.com>

> 
> Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
> ---
>  drivers/net/i40e/i40e_fdir.c | 10 ++++------
>  1 file changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
> index 47f79ecf11..6861bea99a 100644
> --- a/drivers/net/i40e/i40e_fdir.c
> +++ b/drivers/net/i40e/i40e_fdir.c
> @@ -599,18 +599,16 @@ i40e_flow_fdir_fill_eth_ip_head(struct i40e_pf *pf,
>               } else if (cus_pctype->index == I40E_CUSTOMIZED_ESP_IPV4_UDP) {
>                       len = fill_ip4_head(fdir_input, raw_pkt, IPPROTO_UDP,
>                                       len, ether_type);
> -             } else if (cus_pctype->index == I40E_CUSTOMIZED_ESP_IPV4_UDP) {
> -                     len = fill_ip4_head(fdir_input, raw_pkt, IPPROTO_UDP,
> -                                     len, ether_type);
> -             } else if (cus_pctype->index == I40E_CUSTOMIZED_ESP_IPV6)
> +             } else if (cus_pctype->index == I40E_CUSTOMIZED_ESP_IPV6) {
>                       len = fill_ip6_head(fdir_input, raw_pkt, IPPROTO_ESP,
>                                       len, ether_type);
> -             else if (cus_pctype->index == I40E_CUSTOMIZED_ESP_IPV6_UDP)
> +             } else if (cus_pctype->index == I40E_CUSTOMIZED_ESP_IPV6_UDP) {
>                       len = fill_ip6_head(fdir_input, raw_pkt, IPPROTO_UDP,
>                                       len, ether_type);
> -             else if (cus_pctype->index == I40E_CUSTOMIZED_IPV6_L2TPV3)
> +             } else if (cus_pctype->index == I40E_CUSTOMIZED_IPV6_L2TPV3) {
>                       len = fill_ip6_head(fdir_input, raw_pkt, IPPROTO_L2TP,
>                                       len, ether_type);
> +             }
>       } else {
>               PMD_DRV_LOG(ERR, "unknown pctype %u.", fdir_input->pctype);
>               return -1;
> -- 
> 2.45.2
> 

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