From: Cindy Lu <lulu@redhat.com>
To: lulu@redhat.com, mst@redhat.com, jasowang@redhat.com,
qemu-devel@nongnu.org
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 [thread overview]
Message-ID: <20210427033951.29805-10-lulu@redhat.com> (raw)
In-Reply-To: <20210427033951.29805-1-lulu@redhat.com>
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
next prev parent reply other threads:[~2021-04-27 3:44 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-27 3:39 [PATCH v6 0/9] vhost-vdpa: add support for configure interrupt Cindy Lu
2021-04-27 3:39 ` [PATCH v6 1/9] hw: Add check for queue number Cindy Lu
2021-04-27 5:39 ` Jason Wang
2021-04-29 3:08 ` Cindy Lu
2021-04-27 3:39 ` [PATCH v6 2/9] virtio-pci:decouple virtqueue from interrupt setting process Cindy Lu
2021-04-27 6:40 ` Jason Wang
2021-04-27 7:17 ` Jason Wang
2021-04-27 3:39 ` [PATCH v6 3/9] vhost: add new call back function for config interrupt Cindy Lu
2021-04-27 3:39 ` [PATCH v6 4/9] vhost-vdpa: add support for config interrupt call back Cindy Lu
2021-04-27 3:39 ` [PATCH v6 5/9] vhost:add support for configure interrupt Cindy Lu
2021-04-27 7:04 ` Jason Wang
2021-04-27 3:39 ` [PATCH v6 6/9] virtio-mmio: add " Cindy Lu
2021-04-27 3:39 ` [PATCH v6 7/9] virtio-pci: " Cindy Lu
2021-04-27 7:12 ` Jason Wang
2021-04-29 3:07 ` Cindy Lu
2021-04-27 3:39 ` [PATCH v6 8/9] virtio: decouple virtqueue from set notifier fd handler Cindy Lu
2021-04-27 7:14 ` Jason Wang
2021-04-27 3:39 ` Cindy Lu [this message]
2021-04-27 7:15 ` [PATCH v6 9/9] virtio-net: add peer_deleted check in virtio_net_handle_rx Jason Wang
2021-04-27 3:57 ` [PATCH v6 0/9] vhost-vdpa: add support for configure interrupt no-reply
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