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-rw-r--r--src/vnet/interface_cli.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c
index d2e748abec2..740a8af78ec 100644
--- a/src/vnet/interface_cli.c
+++ b/src/vnet/interface_cli.c
@@ -1158,6 +1158,7 @@ mtu_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
u32 hw_if_index, sw_if_index, mtu;
ethernet_main_t *em = &ethernet_main;
u32 mtus[VNET_N_MTU] = { 0, 0, 0, 0 };
+ clib_error_t *err;
if (unformat (input, "%d %U", &mtu,
unformat_vnet_hw_interface, vnm, &hw_if_index))
@@ -1181,7 +1182,9 @@ mtu_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd)
return clib_error_return (0, "Invalid mtu (%d): must be <= (%d)", mtu,
hi->max_supported_packet_bytes);
- vnet_hw_interface_set_mtu (vnm, hw_if_index, mtu);
+ err = vnet_hw_interface_set_mtu (vnm, hw_if_index, mtu);
+ if (err)
+ return err;
goto done;
}
else if (unformat (input, "packet %d %U", &mtu,