[v2,4/8] vhost: Fix bad order in vhost_test_set_backend at enable

Commit Message

Eugenio Perez Martin April 16, 2020, 7:56 a.m. UTC

The reset was not done properly: A init call was given with no active
backend. This solves that.

Fixes: ("7c48601a3d4d tools/virtio: Add --reset=random")

Signed-off-by: Eugenio Pérez <[e-mail]>
---
 drivers/vhost/test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index 789c096e454b..6aed0cab8b17 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -293,8 +293,8 @@  static long vhost_test_set_backend(struct vhost_test *n, unsigned index, int fd)
 		backend = vhost_vq_get_backend(vq);
 		vhost_vq_set_backend(vq, NULL);
 	} else {
-		r = vhost_vq_init_access(vq);
 		vhost_vq_set_backend(vq, backend);
+		r = vhost_vq_init_access(vq);
 		if (r == 0)
 			r = vhost_poll_start(&vq->poll, vq->kick);
 	}