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authorFlorin Coras <fcoras@cisco.com>2020-10-11 11:20:56 -0700
committerDave Barach <openvpp@barachs.net>2020-10-12 15:02:41 +0000
commit355791c13f7cbd943b4864b097cf3c9598d2db20 (patch)
treec699f1b253df299381c7d3a5d17793eebd0334d9 /src/vnet/tcp
parentd3252adce29e45611cbe2a43b2d37758a864a429 (diff)
tcp: fix connection reuse with no listener
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I674872f68406ac778779a68d3ad991f41765d4e2
Diffstat (limited to 'src/vnet/tcp')
-rw-r--r--src/vnet/tcp/tcp_input.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index a86161c6d34..948383b4789 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -2575,6 +2575,12 @@ tcp46_listen_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
lc = tcp_lookup_listener (b, tc->c_fib_index, is_ip4);
/* clean up the old session */
tcp_connection_del (tc);
+ /* listener was cleaned up */
+ if (!lc)
+ {
+ error = TCP_ERROR_NO_LISTENER;
+ goto done;
+ }
}
/* Make sure connection wasn't just created */