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

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Date:   Tue,  2 Feb 2021 18:17:49 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     boris.ostrovsky@...cle.com
Cc:     jgross@...e.com, sstabellini@...nel.org, davem@...emloft.net,
        kuba@...nel.org, ast@...nel.org, daniel@...earbox.net,
        hawk@...nel.org, john.fastabend@...il.com, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        kpsingh@...nel.org, xen-devel@...ts.xenproject.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] drivers: net: xen-netfront: Simplify the calculation of variables

Fix the following coccicheck warnings:

./drivers/net/xen-netfront.c:1816:52-54: WARNING !A || A && B is
equivalent to !A || B.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/xen-netfront.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index b01848e..5158841 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1813,7 +1813,7 @@ static int setup_netfront(struct xenbus_device *dev,
 	 *  a) feature-split-event-channels == 0
 	 *  b) feature-split-event-channels == 1 but failed to setup
 	 */
-	if (!feature_split_evtchn || (feature_split_evtchn && err))
+	if (!feature_split_evtchn || err)
 		err = setup_netfront_single(queue);
 
 	if (err)
-- 
1.8.3.1