vdpasim_do_reset sets running to true, which is wrong, as it allows vdpasim_kick_vq to post work requests before the device has been configured. To fix, do not set running until VIRTIO_CONFIG_S_FEATURES_OK is set. Signed-off-by: Steve Sistare <steven.sistare@xxxxxxxxxx> --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index be2925d0d283..6304cb0b4770 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -160,7 +160,7 @@ static void vdpasim_do_reset(struct vdpasim *vdpasim, u32 flags) } } - vdpasim->running = true; + vdpasim->running = false; spin_unlock(&vdpasim->iommu_lock); vdpasim->features = 0; @@ -483,6 +483,7 @@ static void vdpasim_set_status(struct vdpa_device *vdpa, u8 status) mutex_lock(&vdpasim->mutex); vdpasim->status = status; + vdpasim->running = (status & VIRTIO_CONFIG_S_FEATURES_OK) != 0; mutex_unlock(&vdpasim->mutex); } -- 2.39.3