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[Qemu-devel] [PATCH 12/18] virtio: Return -EINVAL if the vdev needs rese
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH 12/18] virtio: Return -EINVAL if the vdev needs reset in virtqueue_pop |
Date: |
Fri, 17 Apr 2015 15:59:27 +0800 |
Signed-off-by: Fam Zheng <address@hidden>
---
hw/virtio/virtio.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 7ff0dc4..87f8c36 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -505,6 +505,9 @@ int virtqueue_pop(VirtQueue *vq, VirtQueueElement *elem,
Error **errp)
VirtIODevice *vdev = vq->vdev;
Error *local_err = NULL;
+ if (virtio_device_needs_reset(vdev)) {
+ return -EINVAL;
+ }
ret = virtqueue_num_heads(vq, vq->last_avail_idx, &local_err);
if (ret <= 0) {
goto err;
--
1.9.3
- Re: [Qemu-devel] [PATCH 03/18] virtio: Return error from virtqueue_get_head, (continued)
- [Qemu-devel] [PATCH 07/18] virtio: Return error from virtqueue_avail_bytes, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 09/18] virtio: Return error from virtio_del_queue, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 10/18] virtio: Add macro for VIRTIO_CONFIG_S_NEEDS_RESET, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 11/18] virtio: Add "needs_reset" flag to virtio device, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 12/18] virtio: Return -EINVAL if the vdev needs reset in virtqueue_pop,
Fam Zheng <=
- [Qemu-devel] [PATCH 13/18] virtio-blk: Graceful error handling of virtqueue_pop, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 14/18] qtest: Add "QTEST_FILTER" to filter test cases, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 15/18] qtest: virtio-blk: Extract "setup" for future reuse, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 16/18] libqos: Add qvirtio_needs_reset, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 17/18] qtest: Add test case for "needs reset" of virtio-blk, Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 18/18] qtest: virtio-blk: Suppress virtio error messages in "make check", Fam Zheng, 2015/04/17
- [Qemu-devel] [PATCH 04/18] virtio: Return error from virtqueue_next_desc, Fam Zheng, 2015/04/17