VPP-189 More coverity bug fixes

Change-Id: I6e9290b26b1e74fc5652b689c8d5cc2972ac11d5
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/vnet/vnet/devices/dpdk/cli.c b/vnet/vnet/devices/dpdk/cli.c
index 3b0befd..c449eeb 100644
--- a/vnet/vnet/devices/dpdk/cli.c
+++ b/vnet/vnet/devices/dpdk/cli.c
@@ -642,7 +642,7 @@
 
   rv = dpdk_port_setup(dm, xd);
 
-  return rv < 0 ? rv : 0;
+  return rv;
 }
 
 VLIB_CLI_COMMAND (cmd_set_dpdk_if_desc,static) = {