netdev-dpdk: Avoid warning for snprintf() call.
lib/netdev-dpdk.c: In function :
lib/netdev-dpdk.c:2865:49: warning:  output may be truncated before the last format character [-Wformat-truncation=]
snprintf(vhost_vring, 16, "vring_%d_size", i);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suggested-by: Ben Pfaff
Acked-by: Ilya Maximets
@@ -2883,11 +2883,10 @@ netdev_dpdk_vhost_user_get_status(const struct netdev *netdev,
for (int i = 0; i < vring_num; i++) {
struct rte_vhost_vring vring;
- char vhost_vring[16];
rte_vhost_get_vhost_vring(vid, i, &vring);
- snprintf(vhost_vring, 16, "vring_%d_size", i);
- smap_add_format(args, vhost_vring, "%d", vring.size);
+ smap_add_nocopy(args, xasprintf("vring_%d_size", i),
+ xasprintf("%d", vring.size));
}
ovs_mutex_unlock(&dev->mutex);
