virtion-net: Prefer is_power_of_2()
We have a function that checks if given number is power of two.
We should prefer it instead of expanding the check on our own.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 5630a9e..657d099 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1942,7 +1942,7 @@
*/
if (n->net_conf.rx_queue_size < VIRTIO_NET_RX_QUEUE_MIN_SIZE ||
n->net_conf.rx_queue_size > VIRTQUEUE_MAX_SIZE ||
- (n->net_conf.rx_queue_size & (n->net_conf.rx_queue_size - 1))) {
+ !is_power_of_2(n->net_conf.rx_queue_size)) {
error_setg(errp, "Invalid rx_queue_size (= %" PRIu16 "), "
"must be a power of 2 between %d and %d.",
n->net_conf.rx_queue_size, VIRTIO_NET_RX_QUEUE_MIN_SIZE,
