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tcp: improve error handling of net.inet.tcp.udp_tunneling_port

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In case the new port can't be set, set the port to 0.

MFC after:	3 days
Sponsored by:	Netflix, Inc.
This commit is contained in:
Michael Tuexen 2023-01-26 22:55:22 +01:00
parent d3acb974b4
commit e2d14a04c5
1 changed files with 3 additions and 0 deletions
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3
sys/netinet/tcp_subr.c
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@ -903,6 +903,9 @@ sysctl_net_inet_tcp_udp_tunneling_port_check(SYSCTL_HANDLER_ARGS)
}
if (new != 0) {
error = tcp_over_udp_start();
if (error != 0) {
V_tcp_udp_tunneling_port = 0;
}
}
sx_xunlock(&tcpoudp_lock);
}