diff options
| author |   Pavel Kotucek <pkotucek@cisco.com> | 2016-10-14 10:20:59 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2016-10-17 12:17:39 +0000 |
| commit | a6b31779f56f2b0b538b8e7591e62c545d5a05d8 (patch) | |
| tree | e85c20b74dd99421d8d101504a66eb980e8323a1 | |
| parent | cfcf1e2c45d1f5da99f416e47c33031e573fecb6 (diff) | |
VPP-492: Fix ability to change mac address of the interface
Fixed Coverity complaining about the clib_memcpy used in
/vnet/vnet/interface.c
Change-Id: I401f05aea1066d829abac1555021e1180b4a161e
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>
| -rw-r--r-- | vnet/vnet/interface.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/vnet/vnet/interface.c b/vnet/vnet/interface.c index 941ab170..37951c71 100644 --- a/vnet/vnet/interface.c +++ b/vnet/vnet/interface.c @@ -1272,8 +1272,11 @@ vnet_hw_interface_change_mac_address_helper (vnet_main_t * vnm, ethernet_interface_t *ei = pool_elt_at_index (em->interfaces, hi->hw_instance); - clib_memcpy (hi->hw_address, (u8 *) & mac_address, - sizeof (hi->hw_address)); + vec_validate (hi->hw_address, + STRUCT_SIZE_OF (ethernet_header_t, src_address) - 1); + clib_memcpy (hi->hw_address, &mac_address, + vec_len (hi->hw_address)); + clib_memcpy (ei->address, (u8 *) & mac_address, sizeof (ei->address)); ethernet_arp_change_mac (vnm, hw_if_index); |