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authorJohn Lo <loj@cisco.com>2018-06-19 15:27:48 -0400
committerDave Barach <openvpp@barachs.net>2018-06-19 21:26:10 +0000
commit084606befb45507e9241b5555f86196fe08530f6 (patch)
tree25982dd871832335b2f62159657c3b3b31e361f2 /src/plugins/cdp
parent7e607a73898b81c21a24038a2350fdda3b1c67ff (diff)
Check get packet template allocation failure (VPP-1321)
After calling vlib_packet_template_get_packet(), make sure packet buffer is allocated before using it. Change-Id: Idb5199f4e2c9596137b2101e502d611f474a6ffe Signed-off-by: John Lo <loj@cisco.com>
Diffstat (limited to 'src/plugins/cdp')
-rw-r--r--src/plugins/cdp/cdp_periodic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/plugins/cdp/cdp_periodic.c b/src/plugins/cdp/cdp_periodic.c
index c67af00c7a5..a4c4bb91765 100644
--- a/src/plugins/cdp/cdp_periodic.c
+++ b/src/plugins/cdp/cdp_periodic.c
@@ -195,6 +195,9 @@ send_hdlc_hello (cdp_main_t * cm, cdp_neighbor_t * n, int count)
h0 = vlib_packet_template_get_packet
(vm, &cm->packet_templates[n->packet_template_index], &bi0);
+ if (!h0)
+ break;
+
hw = vnet_get_sup_hw_interface (vnm, n->sw_if_index);
t0 = (u8 *) & h0->cdp.data;
@@ -251,6 +254,9 @@ send_srp_hello (cdp_main_t * cm, cdp_neighbor_t * n, int count)
h0 = vlib_packet_template_get_packet
(vm, &cm->packet_templates[n->packet_template_index], &bi0);
+ if (!h0)
+ break;
+
hw = vnet_get_sup_hw_interface (vnm, n->sw_if_index);
t0 = (u8 *) & h0->cdp.data;