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osmo-sgsn
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mm_gb_fsm: unassign the llme when entering MM_IDLE 

MM_IDLE means there is no known state to this MM.

Change-Id: Ieb0d6cea828842763c13942fe1a63dd89399f799
This commit is contained in:
Alexander Couzens 2019-09-10 16:32:05 +02:00
parent 10b3d70fea
commit 6888021bf2
1 changed files with 11 additions and 0 deletions
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11
src/sgsn/gprs_mm_state_gb_fsm.c
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@ -1,6 +1,7 @@
#include <osmocom/core/tdef.h>
#include <osmocom/sgsn/gprs_mm_state_gb_fsm.h>
#include <osmocom/sgsn/gprs_llc.h>
#include <osmocom/sgsn/debug.h>
#include <osmocom/sgsn/sgsn.h>
@ -16,6 +17,15 @@ static const struct osmo_tdef_state_timeout mm_state_gb_fsm_timeouts[32] = {
#define mm_state_gb_fsm_state_chg(fi, NEXT_STATE) \
osmo_tdef_fsm_inst_state_chg(fi, NEXT_STATE, mm_state_gb_fsm_timeouts, sgsn->cfg.T_defs, -1)
static void st_mm_idle_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state) {
struct sgsn_mm_ctx *ctx = fi->priv;
if (ctx->gb.llme) {
gprs_llgmm_unassign(ctx->gb.llme);
ctx->gb.llme = NULL;
}
}
static void st_mm_idle(struct osmo_fsm_inst *fi, uint32_t event, void *data)
{
switch(event) {
@ -59,6 +69,7 @@ static struct osmo_fsm_state mm_state_gb_fsm_states[] = {
[ST_MM_IDLE] = {
.in_event_mask = X(E_MM_GPRS_ATTACH) | X(E_MM_PDU_RECEPTION),
.out_state_mask = X(ST_MM_READY),
.onenter = st_mm_idle_on_enter,
.name = "Idle",
.action = st_mm_idle,
},