linux-kernel - [PATCH] net: Simplify the calculation of variables

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Message-Id: <1611305867-88692-1-git-send-email-abaci-bugfix@linux.alibaba.com>
Date:   Fri, 22 Jan 2021 16:57:47 +0800
From:   Jiapeng Zhong <abaci-bugfix@...ux.alibaba.com>
To:     steffen.klassert@...unet.com
Cc:     herbert@...dor.apana.org.au, davem@...emloft.net,
        yoshfuji@...ux-ipv6.org, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Zhong <abaci-bugfix@...ux.alibaba.com>
Subject: [PATCH] net: Simplify the calculation of variables

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@...ux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@...ux.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))) {
 		esp.nfrags = esp_output_head(x, skb, &esp);
 		if (esp.nfrags < 0)
 			return esp.nfrags;
-- 
1.8.3.1