make valid flag false, not true, on overrun Reported-by: Tom Lendacky <tahm@xxxxxxxxxxxxxxxxxx> Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> --- drivers/virtio/virtio_ring.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 57bf9d5..0ea0781 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -242,7 +242,7 @@ add_head: * kicked_avail index we stored. TODO: make sure all drivers * kick at least once in 2^16 and remove this. */ if (unlikely(vq->vring.avail->idx == vq->kicked_avail)) - vq->kicked_avail_valid = true; + vq->kicked_avail_valid = false; pr_debug("Added buffer head %i to %p\n", head, vq); END_USE(vq); -- 1.7.5.53.gc233e -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html