[PATCH] esp4: Simplify the calculation of variables

From: Jiapeng Chong
Date: Mon Mar 01 2021 - 05:48:22 EST


Fix the following coccicheck warnings:

./net/ipv4/esp4.c:757:16-18: WARNING !A || A && B is equivalent to !A || B.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
net/ipv4/esp4.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index a3271ec..804a769 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -754,7 +754,7 @@ int esp_input_done2(struct sk_buff *skb, int err)
int hlen = sizeof(struct ip_esp_hdr) + crypto_aead_ivsize(aead);
int ihl;

- if (!xo || (xo && !(xo->flags & CRYPTO_DONE)))
+ if (!xo || !(xo->flags & CRYPTO_DONE))
kfree(ESP_SKB_CB(skb)->tmp);

if (unlikely(err))
--
1.8.3.1