diff options
| author |   Benoît Ganne <bganne@cisco.com> | 2021-02-26 14:46:58 +0100 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2021-03-02 12:59:55 +0000 |
| commit | 5943e36b60955ff7baaac383dcd121e36c999711 (patch) | |
| tree | 99913db859d4ea82ebb1d93bf14496f840660ead | |
| parent | 8c45e5109522cf9bbc98785283cd4c923f486fe6 (diff) | |
classify: fix crash if no pcap filter has been configured
If no pcap filters have ever been configured and we try to enable pcap
capture with a filter, cm->classify_table_index_by_sw_if_index is not
initialized yet.
Type: fix
Change-Id: I2f509c58f9984951b1ad81c1c8ed912cb594fce1
Signed-off-by: Benoît Ganne <bganne@cisco.com>
| -rw-r--r-- | src/vnet/interface_cli.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vnet/interface_cli.c b/src/vnet/interface_cli.c index a901e17e413..54e0673544f 100644 --- a/src/vnet/interface_cli.c +++ b/src/vnet/interface_cli.c @@ -1971,7 +1971,8 @@ vnet_pcap_dispatch_trace_configure (vnet_pcap_dispatch_trace_args_t * a) /* Classify filter specified, but no classify filter configured */ if ((a->rx_enable + a->tx_enable + a->drop_enable) && a->filter && - cm->classify_table_index_by_sw_if_index[0] == ~0) + (!cm->classify_table_index_by_sw_if_index || + cm->classify_table_index_by_sw_if_index[0] == ~0)) return VNET_API_ERROR_NO_SUCH_LABEL; if (a->rx_enable + a->tx_enable + a->drop_enable) |