linux-kernel - [PATCH] vhost: correct misleading printing information

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Message-Id: <20240311082109.46773-1-xianting.tian@linux.alibaba.com>
Date: Mon, 11 Mar 2024 16:21:09 +0800
From: Xianting Tian <xianting.tian@...ux.alibaba.com>
To: mst@...hat.com,
	jasowang@...hat.com
Cc: kvm@...r.kernel.org,
	virtualization@...ts.linux.dev,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Xianting Tian <xianting.tian@...ux.alibaba.com>
Subject: [PATCH] vhost: correct misleading printing information

Guest moved avail idx not used idx when we need to print log if
'(vq->avail_idx - last_avail_idx) > vq->num', so fix it.

Signed-off-by: Xianting Tian <xianting.tian@...ux.alibaba.com>
---
 drivers/vhost/vhost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 045f666b4f12..1f3604c79394 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2515,7 +2515,7 @@ int vhost_get_vq_desc(struct vhost_virtqueue *vq,
 		vq->avail_idx = vhost16_to_cpu(vq, avail_idx);
 
 		if (unlikely((u16)(vq->avail_idx - last_avail_idx) > vq->num)) {
-			vq_err(vq, "Guest moved used index from %u to %u",
+			vq_err(vq, "Guest moved avail index from %u to %u",
 				last_avail_idx, vq->avail_idx);
 			return -EFAULT;
 		}
-- 
2.17.1