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M3UA: Respond with "Unexpected Message" if ASPTM is received too soon 

This was discovered (and fix validated) using m3ua-sgp-aspsm-i-003
of Michale Tuexen's m3ua-testtool.

Change-Id: I8b63e7b5e39a7ef8dd66bf014110a04f5f3dc2a2
This commit is contained in:
Harald Welte 2017-04-09 17:32:38 +02:00
parent dde5fda513
commit f21eaabe24
1 changed files with 2 additions and 1 deletions
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3
src/m3ua.c
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@ -623,7 +623,8 @@ static int m3ua_rx_asp(struct osmo_ss7_asp *asp, struct xua_msg *xua)
return M3UA_ERR_UNSUPP_MSG_TYPE;
/* deliver that event to the ASP FSM */
osmo_fsm_inst_dispatch(asp->fi, event, xua);
if (osmo_fsm_inst_dispatch(asp->fi, event, xua) < 0)
return M3UA_ERR_UNEXPECTED_MSG;
return 0;
}