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SubjectRe: [PATCH] net: Simplify the calculation of variables
On Fri, 22 Jan 2021 16:57:47 +0800 Jiapeng Zhong wrote:
> Fix the following coccicheck warnings:
>
> ./net/ipv4/esp4_offload.c:288:32-34: WARNING !A || A && B is
> equivalent to !A || B.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
> ---
> net/ipv4/esp4_offload.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
> index 5bda5ae..9ba8cc5 100644
> --- a/net/ipv4/esp4_offload.c
> +++ b/net/ipv4/esp4_offload.c
> @@ -285,7 +285,7 @@ static int esp_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features_
> esp.esph = ip_esp_hdr(skb);
>
>
> - if (!hw_offload || (hw_offload && !skb_is_gso(skb))) {
> + if (!hw_offload || (!skb_is_gso(skb))) {

You can drop the parenthesis around !skb_is_gso(skb) now.

> esp.nfrags = esp_output_head(x, skb, &esp);
> if (esp.nfrags < 0)
> return esp.nfrags;

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