40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
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From cb16f58f6db98113f9079b27e7e313c91060e6e4 Mon Sep 17 00:00:00 2001
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From: Ni Xun <richardni@tencent.com>
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Date: Thu, 9 Jun 2022 21:10:12 +0800
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Subject: [PATCH 3/5] vhost: also check queue state in the vhost_dev_set_log
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error routine
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When check queue state in the vhost_dev_set_log routine, it miss the error
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routine check, this patch also check queue state in error case.
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Fixes: 1e5a050f5798 ("check queue state in the vhost_dev_set_log routine")
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Signed-off-by: Ni Xun <richardni@tencent.com>
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Reviewed-by: Zhigang Lu <tonnylu@tencent.com>
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Message-Id: <OS0PR01MB57139163F3F3955960675B52EAA79@OS0PR01MB5713.jpnprd01.prod.outlook.com>
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Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
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Acked-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: zhangxinhao <zhangxinhao1@huawei.com>
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---
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hw/virtio/vhost.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
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index 4c4072951c..3ac6cfde03 100644
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--- a/hw/virtio/vhost.c
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+++ b/hw/virtio/vhost.c
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@@ -900,6 +900,10 @@ static int vhost_dev_set_log(struct vhost_dev *dev, bool enable_log)
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err_vq:
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for (; i >= 0; --i) {
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idx = dev->vhost_ops->vhost_get_vq_index(dev, dev->vq_index + i);
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+ addr = virtio_queue_get_desc_addr(dev->vdev, idx);
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+ if (!addr) {
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+ continue;
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+ }
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vhost_virtqueue_set_addr(dev, dev->vqs + i, idx,
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dev->log_enabled);
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}
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--
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2.27.0
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