diff options
Diffstat (limited to 'src/vnet/devices/af_packet')
| -rw-r--r-- | src/vnet/devices/af_packet/device.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/vnet/devices/af_packet/device.c b/src/vnet/devices/af_packet/device.c index 4607d888ac9..e01b1c71b32 100644 --- a/src/vnet/devices/af_packet/device.c +++ b/src/vnet/devices/af_packet/device.c @@ -212,6 +212,13 @@ af_packet_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, int rv, fd = socket (AF_UNIX, SOCK_DGRAM, 0); struct ifreq ifr; + if (0 > fd) + { + clib_unix_warning ("af_packet_%s could not open socket", + apif->host_if_name); + return 0; + } + /* if interface is a bridge ignore */ if (apif->host_if_index < 0) goto error; /* no error */ @@ -255,7 +262,8 @@ af_packet_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags); error: - close (fd); + if (0 <= fd) + close (fd); return 0; /* no error */ } @@ -278,6 +286,13 @@ static clib_error_t *af_packet_set_mac_address_function int rv, fd = socket (AF_UNIX, SOCK_DGRAM, 0); struct ifreq ifr; + if (0 > fd) + { + clib_unix_warning ("af_packet_%s could not open socket", + apif->host_if_name); + return 0; + } + /* if interface is a bridge ignore */ if (apif->host_if_index < 0) goto error; /* no error */ @@ -303,7 +318,9 @@ static clib_error_t *af_packet_set_mac_address_function } error: - close (fd); + + if (0 <= fd) + close (fd); return 0; /* no error */ } |