Acked-by: Tommy Long <thomas.long at intel.com>
-----Original Message-----
From: Xie, Huawei
Sent: Tuesday, March 3, 2015 2:26 AM
To: dev at dpdk.org
Cc: haifeng.lin at huawei.com; mukawa at igel.co.jp; Long, Thomas; Xie, Huawei
Subject: [PATCH] lib/librte_vhost: remove vhost device from data plane when
receive VHOST_SET_MEM_TABLE message
This patch fixes the segfault issue in the case vhost receives new
VHOST_SET_MEM_TABLE message without VHOST_VRING_GET_VRING_BASE(which we uses as
the stop message).
Signed-off-by: Huawei Xie <huawei.xie at intel.com>
---
lib/librte_vhost/vhost_user/virtio-net-user.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/librte_vhost/vhost_user/virtio-net-user.c
b/lib/librte_vhost/vhost_user/virtio-net-user.c
index 97c5177..aa08706 100644
--- a/lib/librte_vhost/vhost_user/virtio-net-user.c
+++ b/lib/librte_vhost/vhost_user/virtio-net-user.c
@@ -109,6 +109,10 @@ user_set_mem_table(struct vhost_device_ctx ctx, struct
VhostUserMsg *pmsg)
if (dev == NULL)
return -1;
+ /* Remove from the data plane. */
+ if (dev->flags & VIRTIO_DEV_RUNNING)
+ notify_ops->destroy_device(dev);
+
if (dev->mem) {
free_mem_region(dev);
free(dev->mem);
--
1.8.1.4
