vdpasim: Return status in vdpasim_get_status

vdpasim->status should acquired under spin lock.

Fixes: 870448c31775 ("vdpasim: vDPA device simulator")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200402024916.35192-1-yuehaibing@huawei.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 6e8a0cf2fdebbc10acb530ea9ee4f73e88d99f2d..72863d01a12abb9a96d5bdbd8262907df4809c6e 100644 (file)
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -488,7 +488,7 @@ static u8 vdpasim_get_status(struct vdpa_device *vdpa)
        status = vdpasim->status;
        spin_unlock(&vdpasim->lock);
 
-       return vdpasim->status;
+       return status;
 }
 
 static void vdpasim_set_status(struct vdpa_device *vdpa, u8 status)