X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fdevices%2Fvirtio%2Ftap.c;h=34339c95737a65a14208cfe5e624326a0aef461f;hb=f953dfc8e01426ce93588e9013c112e48a9a8463;hp=f6db2c90616d0b5dae0d5d75c523d24b68b1f212;hpb=088f0e221c05b7b1cd59b61442eaf595e22e2fef;p=vpp.git

diff --git a/src/vnet/devices/virtio/tap.c b/src/vnet/devices/virtio/tap.c
index f6db2c90616..34339c95737 100644
--- a/src/vnet/devices/virtio/tap.c
+++ b/src/vnet/devices/virtio/tap.c
@@ -109,7 +109,7 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args)
     }
 
   ifr.ifr_flags = IFF_TAP | IFF_NO_PI | IFF_ONE_QUEUE | IFF_VNET_HDR;
-  strncpy (ifr.ifr_ifrn.ifrn_name, (char *) args->name, IF_NAMESIZE);
+  strncpy (ifr.ifr_ifrn.ifrn_name, (char *) args->name, IF_NAMESIZE - 1);
   _IOCTL (vif->tap_fd, TUNSETIFF, (void *) &ifr);
 
   vif->ifindex = if_nametoindex ((char *) args->name);