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virtio-net: fix the upper bound when trying to delete queues 

Virtqueue were indexed from zero, so don't delete virtqueue whose
index is n->max_queues * 2 + 1.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: qemu-stable <qemu-stable@nongnu.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

(cherry picked from commit 27a46dcf50)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Jason Wang 2015-04-23 14:21:34 +08:00 committed by Michael Roth
parent cf3297868c
commit cf6c213981
1 changed files with 1 additions and 1 deletions
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hw/net/virtio-net.c
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@ -1309,7 +1309,7 @@ static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue)
n->multiqueue = multiqueue; n->multiqueue = multiqueue;
for (i = 2; i <= n->max_queues * 2 + 1; i++) { for (i = 2; i < n->max_queues * 2 + 1; i++) {
virtio_del_queue(vdev, i); virtio_del_queue(vdev, i);
} }