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[PATCH v6 9/9] virtio-net: add peer_deleted check in virtio_net_handle_r
From: |
Cindy Lu |
Subject: |
[PATCH v6 9/9] virtio-net: add peer_deleted check in virtio_net_handle_rx |
Date: |
Tue, 27 Apr 2021 11:39:51 +0800 |
During the test, We found this fuction will continue running
while the peer is deleted, this will case the crash. so add
check for this.
Signed-off-by: Cindy Lu <lulu@redhat.com>
---
hw/net/virtio-net.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 43b912453a..1be3f8e76f 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1403,7 +1403,9 @@ static void virtio_net_handle_rx(VirtIODevice *vdev,
VirtQueue *vq)
{
VirtIONet *n = VIRTIO_NET(vdev);
int queue_index = vq2q(virtio_get_queue_index(vq));
-
+ if (n->nic->peer_deleted) {
+ return;
+ }
qemu_flush_queued_packets(qemu_get_subqueue(n->nic, queue_index));
}
--
2.21.3
- Re: [PATCH v6 2/9] virtio-pci:decouple virtqueue from interrupt setting process, (continued)
- [PATCH v6 3/9] vhost: add new call back function for config interrupt, Cindy Lu, 2021/04/26
- [PATCH v6 4/9] vhost-vdpa: add support for config interrupt call back, Cindy Lu, 2021/04/26
- [PATCH v6 5/9] vhost:add support for configure interrupt, Cindy Lu, 2021/04/26
- [PATCH v6 6/9] virtio-mmio: add support for configure interrupt, Cindy Lu, 2021/04/26
- [PATCH v6 7/9] virtio-pci: add support for configure interrupt, Cindy Lu, 2021/04/26
- [PATCH v6 8/9] virtio: decouple virtqueue from set notifier fd handler, Cindy Lu, 2021/04/26
- [PATCH v6 9/9] virtio-net: add peer_deleted check in virtio_net_handle_rx,
Cindy Lu <=
- Re: [PATCH v6 0/9] vhost-vdpa: add support for configure interrupt, no-reply, 2021/04/26