linux-kernel - [PATCH] virtio_net: replace if (cond) BUG() with BUG

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Message-Id: <1615960635-29735-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Wed, 17 Mar 2021 13:57:15 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     mst@...hat.com
Cc:     jasowang@...hat.com, 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,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] virtio_net: replace if (cond) BUG() with BUG_ON()

Fix the following coccicheck warnings:

./drivers/net/virtio_net.c:1551:2-5: WARNING: Use BUG_ON instead of if
condition followed by BUG.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/net/virtio_net.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 82e520d..093530b 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1545,10 +1545,8 @@ static int xmit_skb(struct send_queue *sq, struct sk_buff *skb)
 	else
 		hdr = skb_vnet_hdr(skb);
 
-	if (virtio_net_hdr_from_skb(skb, &hdr->hdr,
-				    virtio_is_little_endian(vi->vdev), false,
-				    0))
-		BUG();
+	BUG_ON(virtio_net_hdr_from_skb(skb, &hdr->hdr,  virtio_is_little_endian(vi->vdev),
+				       false, 0));
 
 	if (vi->mergeable_rx_bufs)
 		hdr->num_buffers = 0;
-- 
1.8.3.1